diff --git a/selfdrive/ui/layouts/home.py b/selfdrive/ui/layouts/home.py
index 519e0e020a..34a7558cdc 100644
--- a/selfdrive/ui/layouts/home.py
+++ b/selfdrive/ui/layouts/home.py
@@ -9,6 +9,7 @@ from openpilot.selfdrive.ui.widgets.prime import PrimeWidget
 from openpilot.selfdrive.ui.widgets.setup import SetupWidget
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.lib.application import gui_app, FontWeight, MousePos
+from openpilot.system.ui.lib.multilang import tr, trn
 from openpilot.system.ui.widgets.label import gui_label
 from openpilot.system.ui.widgets import Widget
 
@@ -151,7 +152,7 @@ class HomeLayout(Widget):
       highlight_color = rl.Color(75, 95, 255, 255) if self.current_state == HomeLayoutState.UPDATE else rl.Color(54, 77, 239, 255)
       rl.draw_rectangle_rounded(self.update_notif_rect, 0.3, 10, highlight_color)
 
-      text = "UPDATE"
+      text = tr("UPDATE")
       text_size = measure_text_cached(font, text, HEAD_BUTTON_FONT_SIZE)
       text_x = self.update_notif_rect.x + (self.update_notif_rect.width - text_size.x) // 2
       text_y = self.update_notif_rect.y + (self.update_notif_rect.height - text_size.y) // 2
@@ -165,7 +166,7 @@ class HomeLayout(Widget):
       highlight_color = rl.Color(255, 70, 70, 255) if self.current_state == HomeLayoutState.ALERTS else rl.Color(226, 44, 44, 255)
       rl.draw_rectangle_rounded(self.alert_notif_rect, 0.3, 10, highlight_color)
 
-      alert_text = f"{self.alert_count} ALERT{'S' if self.alert_count > 1 else ''}"
+      alert_text = trn("{} ALERT", "{} ALERTS", self.alert_count).format(self.alert_count)
       text_size = measure_text_cached(font, alert_text, HEAD_BUTTON_FONT_SIZE)
       text_x = self.alert_notif_rect.x + (self.alert_notif_rect.width - text_size.x) // 2
       text_y = self.alert_notif_rect.y + (self.alert_notif_rect.height - text_size.y) // 2
diff --git a/selfdrive/ui/layouts/onboarding.py b/selfdrive/ui/layouts/onboarding.py
index a817fc53ad..df259a8fb5 100644
--- a/selfdrive/ui/layouts/onboarding.py
+++ b/selfdrive/ui/layouts/onboarding.py
@@ -6,6 +6,7 @@ from enum import IntEnum
 import pyray as rl
 from openpilot.common.basedir import BASEDIR
 from openpilot.system.ui.lib.application import FontWeight, gui_app
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.widgets import Widget
 from openpilot.system.ui.widgets.button import Button, ButtonStyle
 from openpilot.system.ui.widgets.label import Label
@@ -107,12 +108,12 @@ class TermsPage(Widget):
     self._on_accept = on_accept
     self._on_decline = on_decline
 
-    self._title = Label("Welcome to openpilot", font_size=90, font_weight=FontWeight.BOLD, text_alignment=rl.GuiTextAlignment.TEXT_ALIGN_LEFT)
-    self._desc = Label("You must accept the Terms and Conditions to use openpilot. Read the latest terms at https://comma.ai/terms before continuing.",
+    self._title = Label(tr("Welcome to openpilot"), font_size=90, font_weight=FontWeight.BOLD, text_alignment=rl.GuiTextAlignment.TEXT_ALIGN_LEFT)
+    self._desc = Label(tr("You must accept the Terms and Conditions to use openpilot. Read the latest terms at https://comma.ai/terms before continuing."),
                        font_size=90, font_weight=FontWeight.MEDIUM, text_alignment=rl.GuiTextAlignment.TEXT_ALIGN_LEFT)
 
-    self._decline_btn = Button("Decline", click_callback=on_decline)
-    self._accept_btn = Button("Agree", button_style=ButtonStyle.PRIMARY, click_callback=on_accept)
+    self._decline_btn = Button(tr("Decline"), click_callback=on_decline)
+    self._accept_btn = Button(tr("Agree"), button_style=ButtonStyle.PRIMARY, click_callback=on_accept)
 
   def _render(self, _):
     welcome_x = self._rect.x + 165
@@ -141,10 +142,10 @@ class TermsPage(Widget):
 class DeclinePage(Widget):
   def __init__(self, back_callback=None):
     super().__init__()
-    self._text = Label("You must accept the Terms and Conditions in order to use openpilot.",
+    self._text = Label(tr("You must accept the Terms and Conditions in order to use openpilot."),
                        font_size=90, font_weight=FontWeight.MEDIUM, text_alignment=rl.GuiTextAlignment.TEXT_ALIGN_LEFT)
-    self._back_btn = Button("Back", click_callback=back_callback)
-    self._uninstall_btn = Button("Decline, uninstall openpilot", button_style=ButtonStyle.DANGER,
+    self._back_btn = Button(tr("Back"), click_callback=back_callback)
+    self._uninstall_btn = Button(tr("Decline, uninstall openpilot"), button_style=ButtonStyle.DANGER,
                                  click_callback=self._on_uninstall_clicked)
 
   def _on_uninstall_clicked(self):
diff --git a/selfdrive/ui/layouts/settings/developer.py b/selfdrive/ui/layouts/settings/developer.py
index 21eb44efe7..91268960cb 100644
--- a/selfdrive/ui/layouts/settings/developer.py
+++ b/selfdrive/ui/layouts/settings/developer.py
@@ -6,19 +6,20 @@ from openpilot.system.ui.widgets.list_view import toggle_item
 from openpilot.system.ui.widgets.scroller import Scroller
 from openpilot.system.ui.widgets.confirm_dialog import ConfirmDialog
 from openpilot.system.ui.lib.application import gui_app
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.widgets import DialogResult
 
 # Description constants
 DESCRIPTIONS = {
-  'enable_adb': (
+  'enable_adb': tr(
     "ADB (Android Debug Bridge) allows connecting to your device over USB or over the network. " +
     "See https://docs.comma.ai/how-to/connect-to-comma for more info."
   ),
-  'ssh_key': (
+  'ssh_key': tr(
     "Warning: This grants SSH access to all public keys in your GitHub settings. Never enter a GitHub username " +
     "other than your own. A comma employee will NEVER ask you to add their GitHub username."
   ),
-  'alpha_longitudinal': (
+  'alpha_longitudinal': tr(
     "<b>WARNING: openpilot longitudinal control is in alpha for this car and will disable Automatic Emergency Braking (AEB).</b><br><br>" +
     "On this car, openpilot defaults to the car's built-in ACC instead of openpilot's longitudinal control. " +
     "Enable this to switch to openpilot longitudinal control. Enabling Experimental mode is recommended when enabling openpilot longitudinal control alpha."
@@ -34,7 +35,7 @@ class DeveloperLayout(Widget):
 
     # Build items and keep references for callbacks/state updates
     self._adb_toggle = toggle_item(
-      "Enable ADB",
+      tr("Enable ADB"),
       description=DESCRIPTIONS["enable_adb"],
       initial_state=self._params.get_bool("AdbEnabled"),
       callback=self._on_enable_adb,
@@ -43,7 +44,7 @@ class DeveloperLayout(Widget):
 
     # SSH enable toggle + SSH key management
     self._ssh_toggle = toggle_item(
-      "Enable SSH",
+      tr("Enable SSH"),
       description="",
       initial_state=self._params.get_bool("SshEnabled"),
       callback=self._on_enable_ssh,
@@ -51,7 +52,7 @@ class DeveloperLayout(Widget):
     self._ssh_keys = ssh_key_item("SSH Keys", description=DESCRIPTIONS["ssh_key"])
 
     self._joystick_toggle = toggle_item(
-      "Joystick Debug Mode",
+      tr("Joystick Debug Mode"),
       description="",
       initial_state=self._params.get_bool("JoystickDebugMode"),
       callback=self._on_joystick_debug_mode,
@@ -59,14 +60,14 @@ class DeveloperLayout(Widget):
     )
 
     self._long_maneuver_toggle = toggle_item(
-      "Longitudinal Maneuver Mode",
+      tr("Longitudinal Maneuver Mode"),
       description="",
       initial_state=self._params.get_bool("LongitudinalManeuverMode"),
       callback=self._on_long_maneuver_mode,
     )
 
     self._alpha_long_toggle = toggle_item(
-      "openpilot Longitudinal Control (Alpha)",
+      tr("openpilot Longitudinal Control (Alpha)"),
       description=DESCRIPTIONS["alpha_longitudinal"],
       initial_state=self._params.get_bool("AlphaLongitudinalEnabled"),
       callback=self._on_alpha_long_enabled,
@@ -163,7 +164,7 @@ class DeveloperLayout(Widget):
       content = (f"<h1>{self._alpha_long_toggle.title}</h1><br>" +
                  f"<p>{self._alpha_long_toggle.description}</p>")
 
-      dlg = ConfirmDialog(content, "Enable", rich=True)
+      dlg = ConfirmDialog(content, tr("Enable"), rich=True)
       gui_app.set_modal_overlay(dlg, callback=confirm_callback)
 
     else:
diff --git a/selfdrive/ui/layouts/settings/device.py b/selfdrive/ui/layouts/settings/device.py
index 66341db37b..e9bdf59e26 100644
--- a/selfdrive/ui/layouts/settings/device.py
+++ b/selfdrive/ui/layouts/settings/device.py
@@ -12,6 +12,7 @@ from openpilot.selfdrive.ui.layouts.onboarding import TrainingGuide
 from openpilot.selfdrive.ui.widgets.pairing_dialog import PairingDialog
 from openpilot.system.hardware import TICI
 from openpilot.system.ui.lib.application import gui_app
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.widgets import Widget, DialogResult
 from openpilot.system.ui.widgets.confirm_dialog import ConfirmDialog, alert_dialog
 from openpilot.system.ui.widgets.html_render import HtmlModal
@@ -21,10 +22,10 @@ from openpilot.system.ui.widgets.scroller import Scroller
 
 # Description constants
 DESCRIPTIONS = {
-  'pair_device': "Pair your device with comma connect (connect.comma.ai) and claim your comma prime offer.",
-  'driver_camera': "Preview the driver facing camera to ensure that driver monitoring has good visibility. (vehicle must be off)",
-  'reset_calibration': "openpilot requires the device to be mounted within 4° left or right and within 5° up or 9° down.",
-  'review_guide': "Review the rules, features, and limitations of openpilot",
+  'pair_device': tr("Pair your device with comma connect (connect.comma.ai) and claim your comma prime offer."),
+  'driver_camera': tr("Preview the driver facing camera to ensure that driver monitoring has good visibility. (vehicle must be off)"),
+  'reset_calibration': tr("openpilot requires the device to be mounted within 4° left or right and within 5° up or 9° down."),
+  'review_guide': tr("Review the rules, features, and limitations of openpilot"),
 }
 
 
@@ -45,27 +46,27 @@ class DeviceLayout(Widget):
     ui_state.add_offroad_transition_callback(self._offroad_transition)
 
   def _initialize_items(self):
-    dongle_id = self._params.get("DongleId") or "N/A"
-    serial = self._params.get("HardwareSerial") or "N/A"
+    dongle_id = self._params.get("DongleId") or tr("N/A")
+    serial = self._params.get("HardwareSerial") or tr("N/A")
 
-    self._pair_device_btn = button_item("Pair Device", "PAIR", DESCRIPTIONS['pair_device'], callback=self._pair_device)
+    self._pair_device_btn = button_item(tr("Pair Device"), tr("PAIR"), DESCRIPTIONS['pair_device'], callback=self._pair_device)
     self._pair_device_btn.set_visible(lambda: not ui_state.prime_state.is_paired())
 
-    self._reset_calib_btn = button_item("Reset Calibration", "RESET", DESCRIPTIONS['reset_calibration'], callback=self._reset_calibration_prompt)
+    self._reset_calib_btn = button_item(tr("Reset Calibration"), tr("RESET"), DESCRIPTIONS['reset_calibration'], callback=self._reset_calibration_prompt)
     self._reset_calib_btn.set_description_opened_callback(self._update_calib_description)
 
-    self._power_off_btn = dual_button_item("Reboot", "Power Off", left_callback=self._reboot_prompt, right_callback=self._power_off_prompt)
+    self._power_off_btn = dual_button_item(tr("Reboot"), tr("Power Off"), left_callback=self._reboot_prompt, right_callback=self._power_off_prompt)
 
     items = [
-      text_item("Dongle ID", dongle_id),
-      text_item("Serial", serial),
+      text_item(tr("Dongle ID"), dongle_id),
+      text_item(tr("Serial"), serial),
       self._pair_device_btn,
-      button_item("Driver Camera", "PREVIEW", DESCRIPTIONS['driver_camera'], callback=self._show_driver_camera, enabled=ui_state.is_offroad),
+      button_item(tr("Driver Camera"), tr("PREVIEW"), DESCRIPTIONS['driver_camera'], callback=self._show_driver_camera, enabled=ui_state.is_offroad),
       self._reset_calib_btn,
-      button_item("Review Training Guide", "REVIEW", DESCRIPTIONS['review_guide'], self._on_review_training_guide, enabled=ui_state.is_offroad),
-      regulatory_btn := button_item("Regulatory", "VIEW", callback=self._on_regulatory, enabled=ui_state.is_offroad),
+      button_item(tr("Review Training Guide"), tr("REVIEW"), DESCRIPTIONS['review_guide'], self._on_review_training_guide, enabled=ui_state.is_offroad),
+      regulatory_btn := button_item(tr("Regulatory"), tr("VIEW"), callback=self._on_regulatory, enabled=ui_state.is_offroad),
       # TODO: implement multilang
-      # button_item("Change Language", "CHANGE", callback=self._show_language_selection, enabled=ui_state.is_offroad),
+      # button_item(tr("Change Language"), tr("CHANGE"), callback=self._show_language_selection, enabled=ui_state.is_offroad),
       self._power_off_btn,
     ]
     regulatory_btn.set_visible(TICI)
@@ -106,7 +107,7 @@ class DeviceLayout(Widget):
 
   def _reset_calibration_prompt(self):
     if ui_state.engaged:
-      gui_app.set_modal_overlay(alert_dialog("Disengage to Reset Calibration"))
+      gui_app.set_modal_overlay(alert_dialog(tr("Disengage to Reset Calibration")))
       return
 
     def reset_calibration(result: int):
@@ -122,7 +123,7 @@ class DeviceLayout(Widget):
       self._params.put_bool("OnroadCycleRequested", True)
       self._update_calib_description()
 
-    dialog = ConfirmDialog("Are you sure you want to reset calibration?", "Reset")
+    dialog = ConfirmDialog(tr("Are you sure you want to reset calibration?"), tr("Reset"))
     gui_app.set_modal_overlay(dialog, callback=reset_calibration)
 
   def _update_calib_description(self):
@@ -136,7 +137,8 @@ class DeviceLayout(Widget):
         if calib.calStatus != log.LiveCalibrationData.Status.uncalibrated:
           pitch = math.degrees(calib.rpyCalib[1])
           yaw = math.degrees(calib.rpyCalib[2])
-          desc += f" Your device is pointed {abs(pitch):.1f}° {'down' if pitch > 0 else 'up'} and {abs(yaw):.1f}° {'left' if yaw > 0 else 'right'}."
+          desc += tr(" Your device is pointed {:.1f}° {} and {:.1f}° {}.").format(abs(pitch), tr("down") if pitch > 0 else tr("up"),
+                                                                                  abs(yaw), tr("left") if yaw > 0 else tr("right"))
       except Exception:
         cloudlog.exception("invalid CalibrationParams")
 
@@ -148,9 +150,9 @@ class DeviceLayout(Widget):
       except Exception:
         cloudlog.exception("invalid LiveDelay")
     if lag_perc < 100:
-      desc += f"<br><br>Steering lag calibration is {lag_perc}% complete."
+      desc += tr("<br><br>Steering lag calibration is {}% complete.").format(lag_perc)
     else:
-      desc += "<br><br>Steering lag calibration is complete."
+      desc += tr("<br><br>Steering lag calibration is complete.")
 
     torque_bytes = self._params.get("LiveTorqueParameters")
     if torque_bytes:
@@ -160,24 +162,24 @@ class DeviceLayout(Widget):
         if torque.useParams:
           torque_perc = torque.calPerc
           if torque_perc < 100:
-            desc += f" Steering torque response calibration is {torque_perc}% complete."
+            desc += tr(" Steering torque response calibration is {}% complete.").format(torque_perc)
           else:
-            desc += " Steering torque response calibration is complete."
+            desc += tr(" Steering torque response calibration is complete.")
       except Exception:
         cloudlog.exception("invalid LiveTorqueParameters")
 
     desc += "<br><br>"
-    desc += ("openpilot is continuously calibrating, resetting is rarely required. " +
-             "Resetting calibration will restart openpilot if the car is powered on.")
+    desc += tr("openpilot is continuously calibrating, resetting is rarely required. " +
+               "Resetting calibration will restart openpilot if the car is powered on.")
 
     self._reset_calib_btn.set_description(desc)
 
   def _reboot_prompt(self):
     if ui_state.engaged:
-      gui_app.set_modal_overlay(alert_dialog("Disengage to Reboot"))
+      gui_app.set_modal_overlay(alert_dialog(tr("Disengage to Reboot")))
       return
 
-    dialog = ConfirmDialog("Are you sure you want to reboot?", "Reboot")
+    dialog = ConfirmDialog(tr("Are you sure you want to reboot?"), tr("Reboot"))
     gui_app.set_modal_overlay(dialog, callback=self._perform_reboot)
 
   def _perform_reboot(self, result: int):
@@ -186,10 +188,10 @@ class DeviceLayout(Widget):
 
   def _power_off_prompt(self):
     if ui_state.engaged:
-      gui_app.set_modal_overlay(alert_dialog("Disengage to Power Off"))
+      gui_app.set_modal_overlay(alert_dialog(tr("Disengage to Power Off")))
       return
 
-    dialog = ConfirmDialog("Are you sure you want to power off?", "Power Off")
+    dialog = ConfirmDialog(tr("Are you sure you want to power off?"), tr("Power Off"))
     gui_app.set_modal_overlay(dialog, callback=self._perform_power_off)
 
   def _perform_power_off(self, result: int):
@@ -210,5 +212,6 @@ class DeviceLayout(Widget):
     if not self._training_guide:
       def completed_callback():
         gui_app.set_modal_overlay(None)
+
       self._training_guide = TrainingGuide(completed_callback=completed_callback)
     gui_app.set_modal_overlay(self._training_guide)
diff --git a/selfdrive/ui/layouts/settings/firehose.py b/selfdrive/ui/layouts/settings/firehose.py
index e8eaaa44f2..f4d70eaa47 100644
--- a/selfdrive/ui/layouts/settings/firehose.py
+++ b/selfdrive/ui/layouts/settings/firehose.py
@@ -8,19 +8,20 @@ from openpilot.common.swaglog import cloudlog
 from openpilot.selfdrive.ui.ui_state import ui_state
 from openpilot.system.athena.registration import UNREGISTERED_DONGLE_ID
 from openpilot.system.ui.lib.application import gui_app, FontWeight, FONT_SCALE
+from openpilot.system.ui.lib.multilang import tr, trn
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.lib.scroll_panel import GuiScrollPanel
 from openpilot.system.ui.lib.wrap_text import wrap_text
 from openpilot.system.ui.widgets import Widget
 from openpilot.selfdrive.ui.lib.api_helpers import get_token
 
-TITLE = "Firehose Mode"
-DESCRIPTION = (
+TITLE = tr("Firehose Mode")
+DESCRIPTION = tr(
   "openpilot learns to drive by watching humans, like you, drive.\n\n"
   + "Firehose Mode allows you to maximize your training data uploads to improve "
   + "openpilot's driving models. More data means bigger models, which means better Experimental Mode."
 )
-INSTRUCTIONS = (
+INSTRUCTIONS = tr(
   "For maximum effectiveness, bring your device inside and connect to a good USB-C adapter and Wi-Fi weekly.\n\n"
   + "Firehose Mode can also work while you're driving if connected to a hotspot or unlimited SIM card.\n\n\n"
   + "Frequently Asked Questions\n\n"
@@ -106,7 +107,8 @@ class FirehoseLayout(Widget):
 
     # Contribution count (if available)
     if self.segment_count > 0:
-      contrib_text = f"{self.segment_count} segment(s) of your driving is in the training dataset so far."
+      contrib_text = trn("{} segment of your driving is in the training dataset so far.",
+                         "{} segments of your driving is in the training dataset so far.", self.segment_count).format(self.segment_count)
       y = self._draw_wrapped_text(x, y, w, contrib_text, gui_app.font(FontWeight.BOLD), 52, rl.WHITE)
       y += 20 + 20
 
@@ -132,9 +134,9 @@ class FirehoseLayout(Widget):
     network_metered = ui_state.sm["deviceState"].networkMetered
 
     if not network_metered and network_type != 0:  # Not metered and connected
-      return "ACTIVE", self.GREEN
+      return tr("ACTIVE"), self.GREEN
     else:
-      return "INACTIVE: connect to an unmetered network", self.RED
+      return tr("INACTIVE: connect to an unmetered network"), self.RED
 
   def _fetch_firehose_stats(self):
     try:
diff --git a/selfdrive/ui/layouts/settings/settings.py b/selfdrive/ui/layouts/settings/settings.py
index d43382f199..7f431d3a77 100644
--- a/selfdrive/ui/layouts/settings/settings.py
+++ b/selfdrive/ui/layouts/settings/settings.py
@@ -8,6 +8,7 @@ from openpilot.selfdrive.ui.layouts.settings.firehose import FirehoseLayout
 from openpilot.selfdrive.ui.layouts.settings.software import SoftwareLayout
 from openpilot.selfdrive.ui.layouts.settings.toggles import TogglesLayout
 from openpilot.system.ui.lib.application import gui_app, FontWeight, MousePos
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.lib.wifi_manager import WifiManager
 from openpilot.system.ui.widgets import Widget
@@ -58,12 +59,12 @@ class SettingsLayout(Widget):
     wifi_manager.set_active(False)
 
     self._panels = {
-      PanelType.DEVICE: PanelInfo("Device", DeviceLayout()),
-      PanelType.NETWORK: PanelInfo("Network", NetworkUI(wifi_manager)),
-      PanelType.TOGGLES: PanelInfo("Toggles", TogglesLayout()),
-      PanelType.SOFTWARE: PanelInfo("Software", SoftwareLayout()),
-      PanelType.FIREHOSE: PanelInfo("Firehose", FirehoseLayout()),
-      PanelType.DEVELOPER: PanelInfo("Developer", DeveloperLayout()),
+      PanelType.DEVICE: PanelInfo(tr("Device"), DeviceLayout()),
+      PanelType.NETWORK: PanelInfo(tr("Network"), NetworkUI(wifi_manager)),
+      PanelType.TOGGLES: PanelInfo(tr("Toggles"), TogglesLayout()),
+      PanelType.SOFTWARE: PanelInfo(tr("Software"), SoftwareLayout()),
+      PanelType.FIREHOSE: PanelInfo(tr("Firehose"), FirehoseLayout()),
+      PanelType.DEVELOPER: PanelInfo(tr("Developer"), DeveloperLayout()),
     }
 
     self._font_medium = gui_app.font(FontWeight.MEDIUM)
diff --git a/selfdrive/ui/layouts/settings/software.py b/selfdrive/ui/layouts/settings/software.py
index 0c17a54fbe..8e0cfdbc3c 100644
--- a/selfdrive/ui/layouts/settings/software.py
+++ b/selfdrive/ui/layouts/settings/software.py
@@ -4,6 +4,7 @@ import datetime
 from openpilot.common.time_helpers import system_time_valid
 from openpilot.selfdrive.ui.ui_state import ui_state
 from openpilot.system.ui.lib.application import gui_app
+from openpilot.system.ui.lib.multilang import tr, trn
 from openpilot.system.ui.widgets import Widget, DialogResult
 from openpilot.system.ui.widgets.confirm_dialog import ConfirmDialog
 from openpilot.system.ui.widgets.list_view import button_item, text_item, ListItem
@@ -15,7 +16,7 @@ UPDATED_TIMEOUT = 10  # seconds to wait for updated to respond
 
 def time_ago(date: datetime.datetime | None) -> str:
   if not date:
-    return "never"
+    return tr("never")
 
   if not system_time_valid():
     return date.strftime("%a %b %d %Y")
@@ -26,16 +27,16 @@ def time_ago(date: datetime.datetime | None) -> str:
 
   diff_seconds = int((now - date).total_seconds())
   if diff_seconds < 60:
-    return "now"
+    return tr("now")
   if diff_seconds < 3600:
     m = diff_seconds // 60
-    return f"{m} minute{'s' if m != 1 else ''} ago"
+    return trn("{} minute ago", "{} minutes ago", m).format(m)
   if diff_seconds < 86400:
     h = diff_seconds // 3600
-    return f"{h} hour{'s' if h != 1 else ''} ago"
+    return trn("{} hour ago", "{} hours ago", h).format(h)
   if diff_seconds < 604800:
     d = diff_seconds // 86400
-    return f"{d} day{'s' if d != 1 else ''} ago"
+    return trn("{} day ago", "{} days ago", d).format(d)
   return date.strftime("%a %b %d %Y")
 
 
@@ -43,12 +44,12 @@ class SoftwareLayout(Widget):
   def __init__(self):
     super().__init__()
 
-    self._onroad_label = ListItem(title="Updates are only downloaded while the car is off.")
-    self._version_item = text_item("Current Version", ui_state.params.get("UpdaterCurrentDescription") or "")
-    self._download_btn = button_item("Download", "CHECK", callback=self._on_download_update)
+    self._onroad_label = ListItem(title=tr("Updates are only downloaded while the car is off."))
+    self._version_item = text_item(tr("Current Version"), ui_state.params.get("UpdaterCurrentDescription") or "")
+    self._download_btn = button_item(tr("Download"), tr("CHECK"), callback=self._on_download_update)
 
     # Install button is initially hidden
-    self._install_btn = button_item("Install Update", "INSTALL", callback=self._on_install_update)
+    self._install_btn = button_item(tr("Install Update"), tr("INSTALL"), callback=self._on_install_update)
     self._install_btn.set_visible(False)
 
     # Track waiting-for-updater transition to avoid brief re-enable while still idle
@@ -66,7 +67,7 @@ class SoftwareLayout(Widget):
       self._install_btn,
       # TODO: implement branch switching
       # button_item("Target Branch", "SELECT", callback=self._on_select_branch),
-      button_item("Uninstall", "UNINSTALL", callback=self._on_uninstall),
+      button_item("Uninstall", tr("UNINSTALL"), callback=self._on_uninstall),
     ]
     return items
 
@@ -101,19 +102,19 @@ class SoftwareLayout(Widget):
       self._download_btn.action_item.set_value(updater_state)
     else:
       if failed_count > 0:
-        self._download_btn.action_item.set_value("failed to check for update")
-        self._download_btn.action_item.set_text("CHECK")
+        self._download_btn.action_item.set_value(tr("failed to check for update"))
+        self._download_btn.action_item.set_text(tr("CHECK"))
       elif fetch_available:
-        self._download_btn.action_item.set_value("update available")
-        self._download_btn.action_item.set_text("DOWNLOAD")
+        self._download_btn.action_item.set_value(tr("update available"))
+        self._download_btn.action_item.set_text(tr("DOWNLOAD"))
       else:
         last_update = ui_state.params.get("LastUpdateTime")
         if last_update:
           formatted = time_ago(last_update)
-          self._download_btn.action_item.set_value(f"up to date, last checked {formatted}")
+          self._download_btn.action_item.set_value(tr("up to date, last checked {}").format(formatted))
         else:
-          self._download_btn.action_item.set_value("up to date, last checked never")
-        self._download_btn.action_item.set_text("CHECK")
+          self._download_btn.action_item.set_value(tr("up to date, last checked never"))
+        self._download_btn.action_item.set_text(tr("CHECK"))
 
       # If we've been waiting too long without a state change, reset state
       if self._waiting_for_updater and (time.monotonic() - self._waiting_start_ts > UPDATED_TIMEOUT):
@@ -127,7 +128,7 @@ class SoftwareLayout(Widget):
     if update_available:
       new_desc = ui_state.params.get("UpdaterNewDescription") or ""
       new_release_notes = (ui_state.params.get("UpdaterNewReleaseNotes") or b"").decode("utf-8", "replace")
-      self._install_btn.action_item.set_text("INSTALL")
+      self._install_btn.action_item.set_text(tr("INSTALL"))
       self._install_btn.action_item.set_value(new_desc)
       self._install_btn.set_description(new_release_notes)
       # Enable install button for testing (like Qt showEvent)
@@ -138,7 +139,7 @@ class SoftwareLayout(Widget):
   def _on_download_update(self):
     # Check if we should start checking or start downloading
     self._download_btn.action_item.set_enabled(False)
-    if self._download_btn.action_item.text == "CHECK":
+    if self._download_btn.action_item.text == tr("CHECK"):
       # Start checking for updates
       self._waiting_for_updater = True
       self._waiting_start_ts = time.monotonic()
@@ -154,7 +155,7 @@ class SoftwareLayout(Widget):
       if result == DialogResult.CONFIRM:
         ui_state.params.put_bool("DoUninstall", True)
 
-    dialog = ConfirmDialog("Are you sure you want to uninstall?", "Uninstall")
+    dialog = ConfirmDialog(tr("Are you sure you want to uninstall?"), tr("Uninstall"))
     gui_app.set_modal_overlay(dialog, callback=handle_uninstall_confirmation)
 
   def _on_install_update(self):
diff --git a/selfdrive/ui/layouts/settings/toggles.py b/selfdrive/ui/layouts/settings/toggles.py
index 01195142e3..1e4d5c6c85 100644
--- a/selfdrive/ui/layouts/settings/toggles.py
+++ b/selfdrive/ui/layouts/settings/toggles.py
@@ -5,6 +5,7 @@ from openpilot.system.ui.widgets.list_view import multiple_button_item, toggle_i
 from openpilot.system.ui.widgets.scroller import Scroller
 from openpilot.system.ui.widgets.confirm_dialog import ConfirmDialog
 from openpilot.system.ui.lib.application import gui_app
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.widgets import DialogResult
 from openpilot.selfdrive.ui.ui_state import ui_state
 
@@ -12,24 +13,24 @@ PERSONALITY_TO_INT = log.LongitudinalPersonality.schema.enumerants
 
 # Description constants
 DESCRIPTIONS = {
-  "OpenpilotEnabledToggle": (
+  "OpenpilotEnabledToggle": tr(
     "Use the openpilot system for adaptive cruise control and lane keep driver assistance. " +
     "Your attention is required at all times to use this feature."
   ),
-  "DisengageOnAccelerator": "When enabled, pressing the accelerator pedal will disengage openpilot.",
-  "LongitudinalPersonality": (
+  "DisengageOnAccelerator": tr("When enabled, pressing the accelerator pedal will disengage openpilot."),
+  "LongitudinalPersonality": tr(
     "Standard is recommended. In aggressive mode, openpilot will follow lead cars closer and be more aggressive with the gas and brake. " +
     "In relaxed mode openpilot will stay further away from lead cars. On supported cars, you can cycle through these personalities with " +
     "your steering wheel distance button."
   ),
-  "IsLdwEnabled": (
+  "IsLdwEnabled": tr(
     "Receive alerts to steer back into the lane when your vehicle drifts over a detected lane line " +
     "without a turn signal activated while driving over 31 mph (50 km/h)."
   ),
-  "AlwaysOnDM": "Enable driver monitoring even when openpilot is not engaged.",
-  'RecordFront': "Upload data from the driver facing camera and help improve the driver monitoring algorithm.",
-  "IsMetric": "Display speed in km/h instead of mph.",
-  "RecordAudio": "Record and store microphone audio while driving. The audio will be included in the dashcam video in comma connect.",
+  "AlwaysOnDM": tr("Enable driver monitoring even when openpilot is not engaged."),
+  'RecordFront': tr("Upload data from the driver facing camera and help improve the driver monitoring algorithm."),
+  "IsMetric": tr("Display speed in km/h instead of mph."),
+  "RecordAudio": tr("Record and store microphone audio while driving. The audio will be included in the dashcam video in comma connect."),
 }
 
 
@@ -42,49 +43,49 @@ class TogglesLayout(Widget):
     # param, title, desc, icon, needs_restart
     self._toggle_defs = {
       "OpenpilotEnabledToggle": (
-        "Enable openpilot",
+        tr("Enable openpilot"),
         DESCRIPTIONS["OpenpilotEnabledToggle"],
         "chffr_wheel.png",
         True,
       ),
       "ExperimentalMode": (
-        "Experimental Mode",
+        tr("Experimental Mode"),
         "",
         "experimental_white.png",
         False,
       ),
       "DisengageOnAccelerator": (
-        "Disengage on Accelerator Pedal",
+        tr("Disengage on Accelerator Pedal"),
         DESCRIPTIONS["DisengageOnAccelerator"],
         "disengage_on_accelerator.png",
         False,
       ),
       "IsLdwEnabled": (
-        "Enable Lane Departure Warnings",
+        tr("Enable Lane Departure Warnings"),
         DESCRIPTIONS["IsLdwEnabled"],
         "warning.png",
         False,
       ),
       "AlwaysOnDM": (
-        "Always-On Driver Monitoring",
+        tr("Always-On Driver Monitoring"),
         DESCRIPTIONS["AlwaysOnDM"],
         "monitoring.png",
         False,
       ),
       "RecordFront": (
-        "Record and Upload Driver Camera",
+        tr("Record and Upload Driver Camera"),
         DESCRIPTIONS["RecordFront"],
         "monitoring.png",
         True,
       ),
       "RecordAudio": (
-        "Record and Upload Microphone Audio",
+        tr("Record and Upload Microphone Audio"),
         DESCRIPTIONS["RecordAudio"],
         "microphone.png",
         True,
       ),
       "IsMetric": (
-        "Use Metric System",
+        tr("Use Metric System"),
         DESCRIPTIONS["IsMetric"],
         "metric.png",
         False,
@@ -92,9 +93,9 @@ class TogglesLayout(Widget):
     }
 
     self._long_personality_setting = multiple_button_item(
-      "Driving Personality",
+      tr("Driving Personality"),
       DESCRIPTIONS["LongitudinalPersonality"],
-      buttons=["Aggressive", "Standard", "Relaxed"],
+      buttons=[tr("Aggressive"), tr("Standard"), tr("Relaxed")],
       button_width=255,
       callback=self._set_longitudinal_personality,
       selected_index=self._params.get("LongitudinalPersonality", return_default=True),
@@ -119,7 +120,7 @@ class TogglesLayout(Widget):
       toggle.action_item.set_enabled(not locked)
 
       if needs_restart and not locked:
-        toggle.set_description(toggle.description + " Changing this setting will restart openpilot if the car is powered on.")
+        toggle.set_description(toggle.description + tr(" Changing this setting will restart openpilot if the car is powered on."))
 
       # track for engaged state updates
       if locked:
@@ -150,7 +151,7 @@ class TogglesLayout(Widget):
   def _update_toggles(self):
     ui_state.update_params()
 
-    e2e_description = (
+    e2e_description = tr(
       "openpilot defaults to driving in chill mode. Experimental mode enables alpha-level features that aren't ready for chill mode. " +
       "Experimental features are listed below:<br>" +
       "<h4>End-to-End Longitudinal Control</h4><br>" +
@@ -174,15 +175,15 @@ class TogglesLayout(Widget):
         self._long_personality_setting.action_item.set_enabled(False)
         self._params.remove("ExperimentalMode")
 
-        unavailable = "Experimental mode is currently unavailable on this car since the car's stock ACC is used for longitudinal control."
+        unavailable = tr("Experimental mode is currently unavailable on this car since the car's stock ACC is used for longitudinal control.")
 
-        long_desc = unavailable + " openpilot longitudinal control may come in a future update."
+        long_desc = unavailable + " " + tr("openpilot longitudinal control may come in a future update.")
         if ui_state.CP.alphaLongitudinalAvailable:
           if self._is_release:
-            long_desc = unavailable + " " + ("An alpha version of openpilot longitudinal control can be tested, along with " +
-                                             "Experimental mode, on non-release branches.")
+            long_desc = unavailable + " " + tr("An alpha version of openpilot longitudinal control can be tested, along with " +
+                                               "Experimental mode, on non-release branches.")
           else:
-            long_desc = "Enable the openpilot longitudinal control (alpha) toggle to allow Experimental mode."
+            long_desc = tr("Enable the openpilot longitudinal control (alpha) toggle to allow Experimental mode.")
 
         self._toggles["ExperimentalMode"].set_description("<b>" + long_desc + "</b><br><br>" + e2e_description)
     else:
@@ -221,7 +222,7 @@ class TogglesLayout(Widget):
       # show confirmation dialog
       content = (f"<h1>{self._toggles['ExperimentalMode'].title}</h1><br>" +
                  f"<p>{self._toggles['ExperimentalMode'].description}</p>")
-      dlg = ConfirmDialog(content, "Enable", rich=True)
+      dlg = ConfirmDialog(content, tr("Enable"), rich=True)
       gui_app.set_modal_overlay(dlg, callback=confirm_callback)
     else:
       self._update_experimental_mode_icon()
diff --git a/selfdrive/ui/layouts/sidebar.py b/selfdrive/ui/layouts/sidebar.py
index 9337b3c239..48b577ea59 100644
--- a/selfdrive/ui/layouts/sidebar.py
+++ b/selfdrive/ui/layouts/sidebar.py
@@ -5,6 +5,7 @@ from collections.abc import Callable
 from cereal import log
 from openpilot.selfdrive.ui.ui_state import ui_state
 from openpilot.system.ui.lib.application import gui_app, FontWeight, MousePos, FONT_SCALE
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.widgets import Widget
 
@@ -39,13 +40,13 @@ class Colors:
 
 
 NETWORK_TYPES = {
-  NetworkType.none: "--",
-  NetworkType.wifi: "Wi-Fi",
-  NetworkType.ethernet: "ETH",
-  NetworkType.cell2G: "2G",
-  NetworkType.cell3G: "3G",
-  NetworkType.cell4G: "LTE",
-  NetworkType.cell5G: "5G",
+  NetworkType.none: tr("--"),
+  NetworkType.wifi: tr("Wi-Fi"),
+  NetworkType.ethernet: tr("ETH"),
+  NetworkType.cell2G: tr("2G"),
+  NetworkType.cell3G: tr("3G"),
+  NetworkType.cell4G: tr("LTE"),
+  NetworkType.cell5G: tr("5G"),
 }
 
 
@@ -67,9 +68,9 @@ class Sidebar(Widget):
     self._net_type = NETWORK_TYPES.get(NetworkType.none)
     self._net_strength = 0
 
-    self._temp_status = MetricData("TEMP", "GOOD", Colors.GOOD)
-    self._panda_status = MetricData("VEHICLE", "ONLINE", Colors.GOOD)
-    self._connect_status = MetricData("CONNECT", "OFFLINE", Colors.WARNING)
+    self._temp_status = MetricData(tr("TEMP"), tr("GOOD"), Colors.GOOD)
+    self._panda_status = MetricData(tr("VEHICLE"), tr("ONLINE"), Colors.GOOD)
+    self._connect_status = MetricData(tr("CONNECT"), tr("OFFLINE"), Colors.WARNING)
     self._recording_audio = False
 
     self._home_img = gui_app.texture("images/button_home.png", HOME_BTN.width, HOME_BTN.height)
@@ -113,7 +114,7 @@ class Sidebar(Widget):
     self._update_panda_status()
 
   def _update_network_status(self, device_state):
-    self._net_type = NETWORK_TYPES.get(device_state.networkType.raw, "Unknown")
+    self._net_type = NETWORK_TYPES.get(device_state.networkType.raw, tr("Unknown"))
     strength = device_state.networkStrength
     self._net_strength = max(0, min(5, strength.raw + 1)) if strength > 0 else 0
 
@@ -121,26 +122,26 @@ class Sidebar(Widget):
     thermal_status = device_state.thermalStatus
 
     if thermal_status == ThermalStatus.green:
-      self._temp_status.update("TEMP", "GOOD", Colors.GOOD)
+      self._temp_status.update(tr("TEMP"), tr("GOOD"), Colors.GOOD)
     elif thermal_status == ThermalStatus.yellow:
-      self._temp_status.update("TEMP", "OK", Colors.WARNING)
+      self._temp_status.update(tr("TEMP"), tr("OK"), Colors.WARNING)
     else:
-      self._temp_status.update("TEMP", "HIGH", Colors.DANGER)
+      self._temp_status.update(tr("TEMP"), tr("HIGH"), Colors.DANGER)
 
   def _update_connection_status(self, device_state):
     last_ping = device_state.lastAthenaPingTime
     if last_ping == 0:
-      self._connect_status.update("CONNECT", "OFFLINE", Colors.WARNING)
+      self._connect_status.update(tr("CONNECT"), tr("OFFLINE"), Colors.WARNING)
     elif time.monotonic_ns() - last_ping < 80_000_000_000:  # 80 seconds in nanoseconds
-      self._connect_status.update("CONNECT", "ONLINE", Colors.GOOD)
+      self._connect_status.update(tr("CONNECT"), tr("ONLINE"), Colors.GOOD)
     else:
-      self._connect_status.update("CONNECT", "ERROR", Colors.DANGER)
+      self._connect_status.update(tr("CONNECT"), tr("ERROR"), Colors.DANGER)
 
   def _update_panda_status(self):
     if ui_state.panda_type == log.PandaState.PandaType.unknown:
-      self._panda_status.update("NO", "PANDA", Colors.DANGER)
+      self._panda_status.update(tr("NO"), tr("PANDA"), Colors.DANGER)
     else:
-      self._panda_status.update("VEHICLE", "ONLINE", Colors.GOOD)
+      self._panda_status.update(tr("VEHICLE"), tr("ONLINE"), Colors.GOOD)
 
   def _handle_mouse_release(self, mouse_pos: MousePos):
     if rl.check_collision_point_rec(mouse_pos, SETTINGS_BTN):
diff --git a/selfdrive/ui/onroad/alert_renderer.py b/selfdrive/ui/onroad/alert_renderer.py
index 0f944bac52..a81fbfc440 100644
--- a/selfdrive/ui/onroad/alert_renderer.py
+++ b/selfdrive/ui/onroad/alert_renderer.py
@@ -5,6 +5,7 @@ from cereal import messaging, log
 from openpilot.selfdrive.ui.ui_state import ui_state
 from openpilot.system.hardware import TICI
 from openpilot.system.ui.lib.application import gui_app, FontWeight
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.widgets import Widget
 from openpilot.system.ui.widgets.label import Label
@@ -47,22 +48,22 @@ class Alert:
 
 # Pre-defined alert instances
 ALERT_STARTUP_PENDING = Alert(
-  text1="openpilot Unavailable",
-  text2="Waiting to start",
+  text1=tr("openpilot Unavailable"),
+  text2=tr("Waiting to start"),
   size=AlertSize.mid,
   status=AlertStatus.normal,
 )
 
 ALERT_CRITICAL_TIMEOUT = Alert(
-  text1="TAKE CONTROL IMMEDIATELY",
-  text2="System Unresponsive",
+  text1=tr("TAKE CONTROL IMMEDIATELY"),
+  text2=tr("System Unresponsive"),
   size=AlertSize.full,
   status=AlertStatus.critical,
 )
 
 ALERT_CRITICAL_REBOOT = Alert(
-  text1="System Unresponsive",
-  text2="Reboot Device",
+  text1=tr("System Unresponsive"),
+  text2=tr("Reboot Device"),
   size=AlertSize.mid,
   status=AlertStatus.normal,
 )
diff --git a/selfdrive/ui/onroad/driver_camera_dialog.py b/selfdrive/ui/onroad/driver_camera_dialog.py
index a3bd2e23e0..543ea35e81 100644
--- a/selfdrive/ui/onroad/driver_camera_dialog.py
+++ b/selfdrive/ui/onroad/driver_camera_dialog.py
@@ -5,6 +5,7 @@ from openpilot.selfdrive.ui.onroad.cameraview import CameraView
 from openpilot.selfdrive.ui.onroad.driver_state import DriverStateRenderer
 from openpilot.selfdrive.ui.ui_state import ui_state, device
 from openpilot.system.ui.lib.application import gui_app, FontWeight
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.widgets.label import gui_label
 
 
@@ -30,7 +31,7 @@ class DriverCameraDialog(CameraView):
     if not self.frame:
       gui_label(
         rect,
-        "camera starting",
+        tr("camera starting"),
         font_size=100,
         font_weight=FontWeight.BOLD,
         alignment=rl.GuiTextAlignment.TEXT_ALIGN_CENTER,
diff --git a/selfdrive/ui/onroad/hud_renderer.py b/selfdrive/ui/onroad/hud_renderer.py
index 98c3d686fa..a2459c27e2 100644
--- a/selfdrive/ui/onroad/hud_renderer.py
+++ b/selfdrive/ui/onroad/hud_renderer.py
@@ -4,6 +4,7 @@ from openpilot.common.constants import CV
 from openpilot.selfdrive.ui.onroad.exp_button import ExpButton
 from openpilot.selfdrive.ui.ui_state import ui_state, UIStatus
 from openpilot.system.ui.lib.application import gui_app, FontWeight
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.widgets import Widget
 
@@ -144,7 +145,7 @@ class HudRenderer(Widget):
       elif ui_state.status == UIStatus.OVERRIDE:
         max_color = COLORS.override
 
-    max_text = "MAX"
+    max_text = tr("MAX")
     max_text_width = measure_text_cached(self._font_semi_bold, max_text, FONT_SIZES.max_speed).x
     rl.draw_text_ex(
       self._font_semi_bold,
@@ -173,7 +174,7 @@ class HudRenderer(Widget):
     speed_pos = rl.Vector2(rect.x + rect.width / 2 - speed_text_size.x / 2, 180 - speed_text_size.y / 2)
     rl.draw_text_ex(self._font_bold, speed_text, speed_pos, FONT_SIZES.current_speed, 0, COLORS.white)
 
-    unit_text = "km/h" if ui_state.is_metric else "mph"
+    unit_text = tr("km/h") if ui_state.is_metric else tr("mph")
     unit_text_size = measure_text_cached(self._font_medium, unit_text, FONT_SIZES.speed_unit)
     unit_pos = rl.Vector2(rect.x + rect.width / 2 - unit_text_size.x / 2, 290 - unit_text_size.y / 2)
     rl.draw_text_ex(self._font_medium, unit_text, unit_pos, FONT_SIZES.speed_unit, 0, COLORS.white_translucent)
diff --git a/selfdrive/ui/update_translations.py b/selfdrive/ui/update_translations.py
index 424b78851c..643d246012 100755
--- a/selfdrive/ui/update_translations.py
+++ b/selfdrive/ui/update_translations.py
@@ -4,10 +4,8 @@ import json
 import os
 
 from openpilot.common.basedir import BASEDIR
+from openpilot.system.ui.lib.multilang import UI_DIR, TRANSLATIONS_DIR, LANGUAGES_FILE
 
-UI_DIR = os.path.join(BASEDIR, "selfdrive", "ui")
-TRANSLATIONS_DIR = os.path.join(UI_DIR, "translations")
-LANGUAGES_FILE = os.path.join(TRANSLATIONS_DIR, "languages.json")
 TRANSLATIONS_INCLUDE_FILE = os.path.join(TRANSLATIONS_DIR, "alerts_generated.h")
 PLURAL_ONLY = ["en"]  # base language, only create entries for strings with plural forms
 
diff --git a/selfdrive/ui/widgets/exp_mode_button.py b/selfdrive/ui/widgets/exp_mode_button.py
index 23031be306..faa3bf877f 100644
--- a/selfdrive/ui/widgets/exp_mode_button.py
+++ b/selfdrive/ui/widgets/exp_mode_button.py
@@ -1,6 +1,7 @@
 import pyray as rl
 from openpilot.common.params import Params
 from openpilot.system.ui.lib.application import gui_app, FontWeight, FONT_SCALE
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.widgets import Widget
 
 
@@ -46,7 +47,7 @@ class ExperimentalModeButton(Widget):
     rl.draw_line_ex(rl.Vector2(line_x, rect.y), rl.Vector2(line_x, rect.y + rect.height), 3, separator_color)
 
     # Draw text label (left aligned)
-    text = "EXPERIMENTAL MODE ON" if self.experimental_mode else "CHILL MODE ON"
+    text = tr("EXPERIMENTAL MODE ON") if self.experimental_mode else tr("CHILL MODE ON")
     text_x = rect.x + self.horizontal_padding
     text_y = rect.y + rect.height / 2 - 45 * FONT_SCALE // 2  # Center vertically
 
diff --git a/selfdrive/ui/widgets/offroad_alerts.py b/selfdrive/ui/widgets/offroad_alerts.py
index 0b3ca8176f..0bd5b161b9 100644
--- a/selfdrive/ui/widgets/offroad_alerts.py
+++ b/selfdrive/ui/widgets/offroad_alerts.py
@@ -6,6 +6,7 @@ from dataclasses import dataclass
 from openpilot.common.params import Params
 from openpilot.system.hardware import HARDWARE
 from openpilot.system.ui.lib.application import gui_app, FontWeight, FONT_SCALE
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.scroll_panel import GuiScrollPanel
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.lib.wrap_text import wrap_text
@@ -14,7 +15,7 @@ from openpilot.system.ui.widgets.html_render import HtmlRenderer
 from openpilot.selfdrive.selfdrived.alertmanager import OFFROAD_ALERTS
 
 
-NO_RELEASE_NOTES = "<h2>No release notes available.</h2>"
+NO_RELEASE_NOTES = tr("<h2>No release notes available.</h2>")
 
 
 class AlertColors:
@@ -101,15 +102,15 @@ class AbstractAlert(Widget, ABC):
       if self.dismiss_callback:
         self.dismiss_callback()
 
-    self.dismiss_btn = ActionButton("Close")
+    self.dismiss_btn = ActionButton(tr("Close"))
 
-    self.snooze_btn = ActionButton("Snooze Update", style=ButtonStyle.DARK)
+    self.snooze_btn = ActionButton(tr("Snooze Update"), style=ButtonStyle.DARK)
     self.snooze_btn.set_click_callback(snooze_callback)
 
-    self.excessive_actuation_btn = ActionButton("Acknowledge Excessive Actuation", style=ButtonStyle.DARK, min_width=800)
+    self.excessive_actuation_btn = ActionButton(tr("Acknowledge Excessive Actuation"), style=ButtonStyle.DARK, min_width=800)
     self.excessive_actuation_btn.set_click_callback(excessive_actuation_callback)
 
-    self.reboot_btn = ActionButton("Reboot and Update", min_width=600)
+    self.reboot_btn = ActionButton(tr("Reboot and Update"), min_width=600)
     self.reboot_btn.set_click_callback(lambda: HARDWARE.reboot())
 
     # TODO: just use a Scroller?
diff --git a/selfdrive/ui/widgets/pairing_dialog.py b/selfdrive/ui/widgets/pairing_dialog.py
index 3778586f89..85b42d1a7a 100644
--- a/selfdrive/ui/widgets/pairing_dialog.py
+++ b/selfdrive/ui/widgets/pairing_dialog.py
@@ -8,6 +8,7 @@ from openpilot.common.swaglog import cloudlog
 from openpilot.common.params import Params
 from openpilot.system.ui.widgets import Widget
 from openpilot.system.ui.lib.application import FontWeight, gui_app
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.wrap_text import wrap_text
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.selfdrive.ui.ui_state import ui_state
@@ -99,7 +100,7 @@ class PairingDialog(Widget):
     y += close_size + 40
 
     # Title
-    title = "Pair your device to your comma account"
+    title = tr("Pair your device to your comma account")
     title_font = gui_app.font(FontWeight.NORMAL)
     left_width = int(content_rect.width * 0.5 - 15)
 
@@ -124,9 +125,9 @@ class PairingDialog(Widget):
 
   def _render_instructions(self, rect: rl.Rectangle) -> None:
     instructions = [
-      "Go to https://connect.comma.ai on your phone",
-      "Click \"add new device\" and scan the QR code on the right",
-      "Bookmark connect.comma.ai to your home screen to use it like an app",
+      tr("Go to https://connect.comma.ai on your phone"),
+      tr("Click \"add new device\" and scan the QR code on the right"),
+      tr("Bookmark connect.comma.ai to your home screen to use it like an app"),
     ]
 
     font = gui_app.font(FontWeight.BOLD)
@@ -157,7 +158,7 @@ class PairingDialog(Widget):
       rl.draw_rectangle_rounded(rect, 0.1, 20, rl.Color(240, 240, 240, 255))
       error_font = gui_app.font(FontWeight.BOLD)
       rl.draw_text_ex(
-        error_font, "QR Code Error", rl.Vector2(rect.x + 20, rect.y + rect.height // 2 - 15), 30, 0.0, rl.RED
+        error_font, tr("QR Code Error"), rl.Vector2(rect.x + 20, rect.y + rect.height // 2 - 15), 30, 0.0, rl.RED
       )
       return
 
diff --git a/selfdrive/ui/widgets/prime.py b/selfdrive/ui/widgets/prime.py
index bbbd52a8cd..49a0e56cdc 100644
--- a/selfdrive/ui/widgets/prime.py
+++ b/selfdrive/ui/widgets/prime.py
@@ -2,6 +2,7 @@ import pyray as rl
 
 from openpilot.selfdrive.ui.ui_state import ui_state
 from openpilot.system.ui.lib.application import gui_app, FontWeight
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.lib.wrap_text import wrap_text
 from openpilot.system.ui.widgets import Widget
@@ -29,21 +30,21 @@ class PrimeWidget(Widget):
     w = rect.width - 160
 
     # Title
-    gui_label(rl.Rectangle(x, y, w, 90), "Upgrade Now", 75, font_weight=FontWeight.BOLD)
+    gui_label(rl.Rectangle(x, y, w, 90), tr("Upgrade Now"), 75, font_weight=FontWeight.BOLD)
 
     # Description with wrapping
     desc_y = y + 140
     font = gui_app.font(FontWeight.LIGHT)
-    wrapped_text = "\n".join(wrap_text(font, "Become a comma prime member at connect.comma.ai", 56, int(w)))
+    wrapped_text = "\n".join(wrap_text(font, tr("Become a comma prime member at connect.comma.ai"), 56, int(w)))
     text_size = measure_text_cached(font, wrapped_text, 56)
     rl.draw_text_ex(font, wrapped_text, rl.Vector2(x, desc_y), 56, 0, rl.WHITE)
 
     # Features section
     features_y = desc_y + text_size.y + 50
-    gui_label(rl.Rectangle(x, features_y, w, 50), "PRIME FEATURES:", 41, font_weight=FontWeight.BOLD)
+    gui_label(rl.Rectangle(x, features_y, w, 50), tr("PRIME FEATURES:"), 41, font_weight=FontWeight.BOLD)
 
     # Feature list
-    features = ["Remote access", "24/7 LTE connectivity", "1 year of drive storage", "Remote snapshots"]
+    features = [tr("Remote access"), tr("24/7 LTE connectivity"), tr("1 year of drive storage"), tr("Remote snapshots")]
     for i, feature in enumerate(features):
       item_y = features_y + 80 + i * 65
       gui_label(rl.Rectangle(x, item_y, 100, 60), "✓", 50, color=rl.Color(70, 91, 234, 255))
@@ -58,5 +59,5 @@ class PrimeWidget(Widget):
     y = rect.y + 40
 
     font = gui_app.font(FontWeight.BOLD)
-    rl.draw_text_ex(font, "✓ SUBSCRIBED", rl.Vector2(x, y), 41, 0, rl.Color(134, 255, 78, 255))
-    rl.draw_text_ex(font, "comma prime", rl.Vector2(x, y + 61), 75, 0, rl.WHITE)
+    rl.draw_text_ex(font, tr("✓ SUBSCRIBED"), rl.Vector2(x, y), 41, 0, rl.Color(134, 255, 78, 255))
+    rl.draw_text_ex(font, tr("comma prime"), rl.Vector2(x, y + 61), 75, 0, rl.WHITE)
diff --git a/selfdrive/ui/widgets/setup.py b/selfdrive/ui/widgets/setup.py
index 0538570e4a..ea88180ef8 100644
--- a/selfdrive/ui/widgets/setup.py
+++ b/selfdrive/ui/widgets/setup.py
@@ -3,6 +3,7 @@ from openpilot.common.time_helpers import system_time_valid
 from openpilot.selfdrive.ui.ui_state import ui_state
 from openpilot.selfdrive.ui.widgets.pairing_dialog import PairingDialog
 from openpilot.system.ui.lib.application import gui_app, FontWeight, FONT_SCALE
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.wrap_text import wrap_text
 from openpilot.system.ui.widgets import Widget
 from openpilot.system.ui.widgets.confirm_dialog import alert_dialog
@@ -15,10 +16,10 @@ class SetupWidget(Widget):
     super().__init__()
     self._open_settings_callback = None
     self._pairing_dialog: PairingDialog | None = None
-    self._pair_device_btn = Button("Pair device", self._show_pairing, button_style=ButtonStyle.PRIMARY)
-    self._open_settings_btn = Button("Open", lambda: self._open_settings_callback() if self._open_settings_callback else None,
+    self._pair_device_btn = Button(tr("Pair device"), self._show_pairing, button_style=ButtonStyle.PRIMARY)
+    self._open_settings_btn = Button(tr("Open"), lambda: self._open_settings_callback() if self._open_settings_callback else None,
                                      button_style=ButtonStyle.PRIMARY)
-    self._firehose_label = Label("🔥 Firehose Mode 🔥", font_weight=FontWeight.MEDIUM, font_size=64)
+    self._firehose_label = Label(tr("🔥 Firehose Mode 🔥"), font_weight=FontWeight.MEDIUM, font_size=64)
 
   def set_open_settings_callback(self, callback):
     self._open_settings_callback = callback
@@ -40,11 +41,11 @@ class SetupWidget(Widget):
 
     # Title
     font = gui_app.font(FontWeight.BOLD)
-    rl.draw_text_ex(font, "Finish Setup", rl.Vector2(x, y), 75, 0, rl.WHITE)
+    rl.draw_text_ex(font, tr("Finish Setup"), rl.Vector2(x, y), 75, 0, rl.WHITE)
     y += 113  # 75 + 38 spacing
 
     # Description
-    desc = "Pair your device with comma connect (connect.comma.ai) and claim your comma prime offer."
+    desc = tr("Pair your device with comma connect (connect.comma.ai) and claim your comma prime offer.")
     light_font = gui_app.font(FontWeight.LIGHT)
     wrapped = wrap_text(light_font, desc, 50, int(w))
     for line in wrapped:
@@ -71,7 +72,7 @@ class SetupWidget(Widget):
 
     # Description
     desc_font = gui_app.font(FontWeight.NORMAL)
-    desc_text = "Maximize your training data uploads to improve openpilot's driving models."
+    desc_text = tr("Maximize your training data uploads to improve openpilot's driving models.")
     wrapped_desc = wrap_text(desc_font, desc_text, 40, int(w))
 
     for line in wrapped_desc:
@@ -87,7 +88,7 @@ class SetupWidget(Widget):
 
   def _show_pairing(self):
     if not system_time_valid():
-      dlg = alert_dialog("Please connect to Wi-Fi to complete initial pairing")
+      dlg = alert_dialog(tr("Please connect to Wi-Fi to complete initial pairing"))
       gui_app.set_modal_overlay(dlg)
       return
 
diff --git a/selfdrive/ui/widgets/ssh_key.py b/selfdrive/ui/widgets/ssh_key.py
index dc3c5a4a76..e44c4aad5d 100644
--- a/selfdrive/ui/widgets/ssh_key.py
+++ b/selfdrive/ui/widgets/ssh_key.py
@@ -7,6 +7,7 @@ from enum import Enum
 
 from openpilot.common.params import Params
 from openpilot.system.ui.lib.application import gui_app, FontWeight
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.widgets import DialogResult
 from openpilot.system.ui.widgets.button import Button, ButtonStyle
@@ -25,9 +26,9 @@ VALUE_FONT_SIZE = 48
 
 
 class SshKeyActionState(Enum):
-  LOADING = "LOADING"
-  ADD = "ADD"
-  REMOVE = "REMOVE"
+  LOADING = tr("LOADING")
+  ADD = tr("ADD")
+  REMOVE = tr("REMOVE")
 
 
 class SshKeyAction(ItemAction):
@@ -85,7 +86,7 @@ class SshKeyAction(ItemAction):
   def _handle_button_click(self):
     if self._state == SshKeyActionState.ADD:
       self._keyboard.reset()
-      self._keyboard.set_title("Enter your GitHub username")
+      self._keyboard.set_title(tr("Enter your GitHub username"))
       gui_app.set_modal_overlay(self._keyboard, callback=self._on_username_submit)
     elif self._state == SshKeyActionState.REMOVE:
       self._params.remove("GithubUsername")
@@ -110,7 +111,7 @@ class SshKeyAction(ItemAction):
       response.raise_for_status()
       keys = response.text.strip()
       if not keys:
-        raise requests.exceptions.HTTPError("No SSH keys found")
+        raise requests.exceptions.HTTPError(tr("No SSH keys found"))
 
       # Success - save keys
       self._params.put("GithubUsername", username)
@@ -119,10 +120,10 @@ class SshKeyAction(ItemAction):
       self._username = username
 
     except requests.exceptions.Timeout:
-      self._error_message = "Request timed out"
+      self._error_message = tr("Request timed out")
       self._state = SshKeyActionState.ADD
     except Exception:
-      self._error_message = f"No SSH keys found for user '{username}'"
+      self._error_message = tr("No SSH keys found for user '{}'").format(username)
       self._state = SshKeyActionState.ADD
 
 
diff --git a/system/ui/lib/multilang.py b/system/ui/lib/multilang.py
new file mode 100644
index 0000000000..c020b33d5e
--- /dev/null
+++ b/system/ui/lib/multilang.py
@@ -0,0 +1,10 @@
+import os
+import gettext
+from openpilot.common.basedir import BASEDIR
+
+UI_DIR = os.path.join(BASEDIR, "selfdrive", "ui")
+TRANSLATIONS_DIR = os.path.join(UI_DIR, "translations")
+LANGUAGES_FILE = os.path.join(TRANSLATIONS_DIR, "languages.json")
+
+tr = gettext.gettext
+trn = gettext.ngettext
diff --git a/system/ui/widgets/confirm_dialog.py b/system/ui/widgets/confirm_dialog.py
index 274307395c..8c5ae0aa01 100644
--- a/system/ui/widgets/confirm_dialog.py
+++ b/system/ui/widgets/confirm_dialog.py
@@ -1,5 +1,6 @@
 import pyray as rl
 from openpilot.system.ui.lib.application import gui_app, FontWeight
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.widgets import DialogResult
 from openpilot.system.ui.widgets.button import ButtonStyle, Button
 from openpilot.system.ui.widgets.label import Label
@@ -16,8 +17,10 @@ BACKGROUND_COLOR = rl.Color(27, 27, 27, 255)
 
 
 class ConfirmDialog(Widget):
-  def __init__(self, text: str, confirm_text: str, cancel_text: str = "Cancel", rich: bool = False):
+  def __init__(self, text: str, confirm_text: str, cancel_text: str | None = None, rich: bool = False):
     super().__init__()
+    if cancel_text is None:
+      cancel_text = tr("Cancel")
     self._label = Label(text, 70, FontWeight.BOLD, text_color=rl.Color(201, 201, 201, 255))
     self._html_renderer = HtmlRenderer(text=text, text_size={ElementType.P: 50}, center_text=True)
     self._cancel_button = Button(cancel_text, self._cancel_button_callback)
@@ -85,5 +88,7 @@ class ConfirmDialog(Widget):
     return self._dialog_result
 
 
-def alert_dialog(message: str, button_text: str = "Ok"):
+def alert_dialog(message: str, button_text: str | None = None):
+  if button_text is None:
+    button_text = tr("OK")
   return ConfirmDialog(message, button_text, cancel_text="")
diff --git a/system/ui/widgets/html_render.py b/system/ui/widgets/html_render.py
index f90f78fe1b..368d02cdfc 100644
--- a/system/ui/widgets/html_render.py
+++ b/system/ui/widgets/html_render.py
@@ -4,6 +4,7 @@ from dataclasses import dataclass
 from enum import Enum
 from typing import Any
 from openpilot.system.ui.lib.application import gui_app, FontWeight, FONT_SCALE
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.scroll_panel import GuiScrollPanel
 from openpilot.system.ui.lib.wrap_text import wrap_text
 from openpilot.system.ui.widgets import Widget
@@ -243,7 +244,7 @@ class HtmlModal(Widget):
     super().__init__()
     self._content = HtmlRenderer(file_path=file_path, text=text)
     self._scroll_panel = GuiScrollPanel()
-    self._ok_button = Button("OK", click_callback=lambda: gui_app.set_modal_overlay(None), button_style=ButtonStyle.PRIMARY)
+    self._ok_button = Button(tr("OK"), click_callback=lambda: gui_app.set_modal_overlay(None), button_style=ButtonStyle.PRIMARY)
 
   def _render(self, rect: rl.Rectangle):
     margin = 50
diff --git a/system/ui/widgets/keyboard.py b/system/ui/widgets/keyboard.py
index 6663c4e0ee..ac006c2545 100644
--- a/system/ui/widgets/keyboard.py
+++ b/system/ui/widgets/keyboard.py
@@ -5,6 +5,7 @@ from typing import Literal
 import pyray as rl
 
 from openpilot.system.ui.lib.application import gui_app, FontWeight
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.widgets import Widget
 from openpilot.system.ui.widgets.button import ButtonStyle, Button
 from openpilot.system.ui.widgets.inputbox import InputBox
@@ -77,7 +78,7 @@ class Keyboard(Widget):
     self._backspace_last_repeat: float = 0.0
 
     self._render_return_status = -1
-    self._cancel_button = Button("Cancel", self._cancel_button_callback)
+    self._cancel_button = Button(tr("Cancel"), self._cancel_button_callback)
 
     self._eye_button = Button("", self._eye_button_callback, button_style=ButtonStyle.TRANSPARENT)
 
@@ -98,7 +99,7 @@ class Keyboard(Widget):
           if key in self._key_icons:
             texture = self._key_icons[key]
             self._all_keys[key] = Button("", partial(self._key_callback, key), icon=texture,
-                                        button_style=ButtonStyle.PRIMARY if key == ENTER_KEY else ButtonStyle.KEYBOARD, multi_touch=True)
+                                         button_style=ButtonStyle.PRIMARY if key == ENTER_KEY else ButtonStyle.KEYBOARD, multi_touch=True)
           else:
             self._all_keys[key] = Button(key, partial(self._key_callback, key), button_style=ButtonStyle.KEYBOARD, font_size=85, multi_touch=True)
     self._all_keys[CAPS_LOCK_KEY] = Button("", partial(self._key_callback, CAPS_LOCK_KEY), icon=self._key_icons[CAPS_LOCK_KEY],
diff --git a/system/ui/widgets/list_view.py b/system/ui/widgets/list_view.py
index 1f4f69a6bf..55abe02fe1 100644
--- a/system/ui/widgets/list_view.py
+++ b/system/ui/widgets/list_view.py
@@ -3,6 +3,7 @@ import pyray as rl
 from collections.abc import Callable
 from abc import ABC
 from openpilot.system.ui.lib.application import gui_app, FontWeight, MousePos
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.text_measure import measure_text_cached
 from openpilot.system.ui.widgets import Widget
 from openpilot.system.ui.widgets.button import Button, ButtonStyle
@@ -111,7 +112,7 @@ class ButtonAction(ItemAction):
 
   @property
   def text(self):
-    return _resolve_value(self._text_source, "Error")
+    return _resolve_value(self._text_source, tr("Error"))
 
   @property
   def value(self):
@@ -149,7 +150,7 @@ class TextAction(ItemAction):
 
   @property
   def text(self):
-    return _resolve_value(self._text_source, "Error")
+    return _resolve_value(self._text_source, tr("Error"))
 
   def get_width_hint(self) -> float:
     text_width = measure_text_cached(self._font, self.text, ITEM_TEXT_FONT_SIZE).x
diff --git a/system/ui/widgets/network.py b/system/ui/widgets/network.py
index 3bbf2e6402..a59030363b 100644
--- a/system/ui/widgets/network.py
+++ b/system/ui/widgets/network.py
@@ -4,6 +4,7 @@ from typing import cast
 
 import pyray as rl
 from openpilot.system.ui.lib.application import gui_app
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.lib.scroll_panel import GuiScrollPanel
 from openpilot.system.ui.lib.wifi_manager import WifiManager, SecurityType, Network, MeteredType
 from openpilot.system.ui.widgets import Widget
@@ -70,7 +71,7 @@ class NetworkUI(Widget):
     self._current_panel: PanelType = PanelType.WIFI
     self._wifi_panel = WifiManagerUI(wifi_manager)
     self._advanced_panel = AdvancedNetworkSettings(wifi_manager)
-    self._nav_button = NavButton("Advanced")
+    self._nav_button = NavButton(tr("Advanced"))
     self._nav_button.set_click_callback(self._cycle_panel)
 
   def show_event(self):
@@ -91,11 +92,11 @@ class NetworkUI(Widget):
     content_rect = rl.Rectangle(self._rect.x, self._rect.y + self._nav_button.rect.height + 40,
                                 self._rect.width, self._rect.height - self._nav_button.rect.height - 40)
     if self._current_panel == PanelType.WIFI:
-      self._nav_button.text = "Advanced"
+      self._nav_button.text = tr("Advanced")
       self._nav_button.set_position(self._rect.x + self._rect.width - self._nav_button.rect.width, self._rect.y + 20)
       self._wifi_panel.render(content_rect)
     else:
-      self._nav_button.text = "Back"
+      self._nav_button.text = tr("Back")
       self._nav_button.set_position(self._rect.x, self._rect.y + 20)
       self._advanced_panel.render(content_rect)
 
@@ -116,40 +117,40 @@ class AdvancedNetworkSettings(Widget):
 
     # Tethering
     self._tethering_action = ToggleAction(initial_state=False)
-    tethering_btn = ListItem(title="Enable Tethering", action_item=self._tethering_action, callback=self._toggle_tethering)
+    tethering_btn = ListItem(title=tr("Enable Tethering"), action_item=self._tethering_action, callback=self._toggle_tethering)
 
     # Edit tethering password
-    self._tethering_password_action = ButtonAction(text="EDIT")
-    tethering_password_btn = ListItem(title="Tethering Password", action_item=self._tethering_password_action, callback=self._edit_tethering_password)
+    self._tethering_password_action = ButtonAction(text=tr("EDIT"))
+    tethering_password_btn = ListItem(title=tr("Tethering Password"), action_item=self._tethering_password_action, callback=self._edit_tethering_password)
 
     # Roaming toggle
     roaming_enabled = self._params.get_bool("GsmRoaming")
     self._roaming_action = ToggleAction(initial_state=roaming_enabled)
-    self._roaming_btn = ListItem(title="Enable Roaming", action_item=self._roaming_action, callback=self._toggle_roaming)
+    self._roaming_btn = ListItem(title=tr("Enable Roaming"), action_item=self._roaming_action, callback=self._toggle_roaming)
 
     # Cellular metered toggle
     cellular_metered = self._params.get_bool("GsmMetered")
     self._cellular_metered_action = ToggleAction(initial_state=cellular_metered)
-    self._cellular_metered_btn = ListItem(title="Cellular Metered", description="Prevent large data uploads when on a metered cellular connection",
+    self._cellular_metered_btn = ListItem(title=tr("Cellular Metered"), description=tr("Prevent large data uploads when on a metered cellular connection"),
                                           action_item=self._cellular_metered_action, callback=self._toggle_cellular_metered)
 
     # APN setting
-    self._apn_btn = button_item("APN Setting", "EDIT", callback=self._edit_apn)
+    self._apn_btn = button_item(tr("APN Setting"), tr("EDIT"), callback=self._edit_apn)
 
     # Wi-Fi metered toggle
-    self._wifi_metered_action = MultipleButtonAction(["default", "metered", "unmetered"], 255, 0, callback=self._toggle_wifi_metered)
-    wifi_metered_btn = ListItem(title="Wi-Fi Network Metered", description="Prevent large data uploads when on a metered Wi-Fi connection",
+    self._wifi_metered_action = MultipleButtonAction([tr("default"), tr("metered"), tr("unmetered")], 255, 0, callback=self._toggle_wifi_metered)
+    wifi_metered_btn = ListItem(title=tr("Wi-Fi Network Metered"), description=tr("Prevent large data uploads when on a metered Wi-Fi connection"),
                                 action_item=self._wifi_metered_action)
 
     items: list[Widget] = [
       tethering_btn,
       tethering_password_btn,
-      text_item("IP Address", lambda: self._wifi_manager.ipv4_address),
+      text_item(tr("IP Address"), lambda: self._wifi_manager.ipv4_address),
       self._roaming_btn,
       self._apn_btn,
       self._cellular_metered_btn,
       wifi_metered_btn,
-      button_item("Hidden Network", "CONNECT", callback=self._connect_to_hidden_network),
+      button_item(tr("Hidden Network"), tr("CONNECT"), callback=self._connect_to_hidden_network),
     ]
 
     self._scroller = Scroller(items, line_separator=True, spacing=0)
@@ -198,7 +199,7 @@ class AdvancedNetworkSettings(Widget):
 
     current_apn = self._params.get("GsmApn") or ""
     self._keyboard.reset(min_text_size=0)
-    self._keyboard.set_title("Enter APN", "leave blank for automatic configuration")
+    self._keyboard.set_title(tr("Enter APN"), tr("leave blank for automatic configuration"))
     self._keyboard.set_text(current_apn)
     gui_app.set_modal_overlay(self._keyboard, update_apn)
 
@@ -231,11 +232,11 @@ class AdvancedNetworkSettings(Widget):
         self._wifi_manager.connect_to_network(ssid, password, hidden=True)
 
       self._keyboard.reset(min_text_size=0)
-      self._keyboard.set_title("Enter password", f"for \"{ssid}\"")
+      self._keyboard.set_title(tr("Enter password"), tr("for \"{}\"").format(ssid))
       gui_app.set_modal_overlay(self._keyboard, enter_password)
 
     self._keyboard.reset(min_text_size=1)
-    self._keyboard.set_title("Enter SSID", "")
+    self._keyboard.set_title(tr("Enter SSID"), "")
     gui_app.set_modal_overlay(self._keyboard, connect_hidden)
 
   def _edit_tethering_password(self):
@@ -248,7 +249,7 @@ class AdvancedNetworkSettings(Widget):
       self._tethering_password_action.set_enabled(False)
 
     self._keyboard.reset(min_text_size=MIN_PASSWORD_LENGTH)
-    self._keyboard.set_title("Enter new tethering password", "")
+    self._keyboard.set_title(tr("Enter new tethering password"), "")
     self._keyboard.set_text(self._wifi_manager.tethering_password)
     gui_app.set_modal_overlay(self._keyboard, update_password)
 
@@ -281,7 +282,7 @@ class WifiManagerUI(Widget):
     self._networks: list[Network] = []
     self._networks_buttons: dict[str, Button] = {}
     self._forget_networks_buttons: dict[str, Button] = {}
-    self._confirm_dialog = ConfirmDialog("", "Forget", "Cancel")
+    self._confirm_dialog = ConfirmDialog("", tr("Forget"), tr("Cancel"))
 
     self._wifi_manager.set_callbacks(need_auth=self._on_need_auth,
                                      activated=self._on_activated,
@@ -305,15 +306,15 @@ class WifiManagerUI(Widget):
 
   def _render(self, rect: rl.Rectangle):
     if not self._networks:
-      gui_label(rect, "Scanning Wi-Fi networks...", 72, alignment=rl.GuiTextAlignment.TEXT_ALIGN_CENTER)
+      gui_label(rect, tr("Scanning Wi-Fi networks..."), 72, alignment=rl.GuiTextAlignment.TEXT_ALIGN_CENTER)
       return
 
     if self.state == UIState.NEEDS_AUTH and self._state_network:
-      self.keyboard.set_title("Wrong password" if self._password_retry else "Enter password", f"for {self._state_network.ssid}")
+      self.keyboard.set_title(tr("Wrong password") if self._password_retry else tr("Enter password"), tr("for \"{}\"").format(self._state_network.ssid))
       self.keyboard.reset(min_text_size=MIN_PASSWORD_LENGTH)
       gui_app.set_modal_overlay(self.keyboard, lambda result: self._on_password_entered(cast(Network, self._state_network), result))
     elif self.state == UIState.SHOW_FORGET_CONFIRM and self._state_network:
-      self._confirm_dialog.set_text(f'Forget Wi-Fi Network "{self._state_network.ssid}"?')
+      self._confirm_dialog.set_text(tr("Forget Wi-Fi Network \"{}\"?").format(self._state_network.ssid))
       self._confirm_dialog.reset()
       gui_app.set_modal_overlay(self._confirm_dialog, callback=lambda result: self.on_forgot_confirm_finished(self._state_network, result))
     else:
@@ -363,11 +364,11 @@ class WifiManagerUI(Widget):
     if self.state == UIState.CONNECTING and self._state_network:
       if self._state_network.ssid == network.ssid:
         self._networks_buttons[network.ssid].set_enabled(False)
-        status_text = "CONNECTING..."
+        status_text = tr("CONNECTING...")
     elif self.state == UIState.FORGETTING and self._state_network:
       if self._state_network.ssid == network.ssid:
         self._networks_buttons[network.ssid].set_enabled(False)
-        status_text = "FORGETTING..."
+        status_text = tr("FORGETTING...")
     elif network.security_type == SecurityType.UNSUPPORTED:
       self._networks_buttons[network.ssid].set_enabled(False)
     else:
@@ -445,7 +446,7 @@ class WifiManagerUI(Widget):
       self._networks_buttons[n.ssid] = Button(n.ssid, partial(self._networks_buttons_callback, n), font_size=55,
                                               text_alignment=rl.GuiTextAlignment.TEXT_ALIGN_LEFT, button_style=ButtonStyle.TRANSPARENT_WHITE_TEXT)
       self._networks_buttons[n.ssid].set_touch_valid_callback(lambda: self.scroll_panel.is_touch_valid())
-      self._forget_networks_buttons[n.ssid] = Button("Forget", partial(self._forget_networks_buttons_callback, n), button_style=ButtonStyle.FORGET_WIFI,
+      self._forget_networks_buttons[n.ssid] = Button(tr("Forget"), partial(self._forget_networks_buttons_callback, n), button_style=ButtonStyle.FORGET_WIFI,
                                                      font_size=45)
       self._forget_networks_buttons[n.ssid].set_touch_valid_callback(lambda: self.scroll_panel.is_touch_valid())
 
diff --git a/system/ui/widgets/option_dialog.py b/system/ui/widgets/option_dialog.py
index 593a371fd9..8c63ca3f9f 100644
--- a/system/ui/widgets/option_dialog.py
+++ b/system/ui/widgets/option_dialog.py
@@ -1,5 +1,6 @@
 import pyray as rl
 from openpilot.system.ui.lib.application import FontWeight
+from openpilot.system.ui.lib.multilang import tr
 from openpilot.system.ui.widgets import Widget, DialogResult
 from openpilot.system.ui.widgets.button import Button, ButtonStyle
 from openpilot.system.ui.widgets.label import gui_label
@@ -30,8 +31,8 @@ class MultiOptionDialog(Widget):
                                   text_padding=50) for option in options]
     self.scroller = Scroller(self.option_buttons, spacing=LIST_ITEM_SPACING)
 
-    self.cancel_button = Button("Cancel", click_callback=lambda: self._set_result(DialogResult.CANCEL))
-    self.select_button = Button("Select", click_callback=lambda: self._set_result(DialogResult.CONFIRM), button_style=ButtonStyle.PRIMARY)
+    self.cancel_button = Button(tr("Cancel"), click_callback=lambda: self._set_result(DialogResult.CANCEL))
+    self.select_button = Button(tr("Select"), click_callback=lambda: self._set_result(DialogResult.CONFIRM), button_style=ButtonStyle.PRIMARY)
 
   def _set_result(self, result: DialogResult):
     self._result = result