diff --git a/packages/firebase_ui_localizations/bin/add_label.dart b/packages/firebase_ui_localizations/bin/add_label.dart
new file mode 100644
index 00000000..613adbd9
--- /dev/null
+++ b/packages/firebase_ui_localizations/bin/add_label.dart
@@ -0,0 +1,60 @@
+// Copyright 2023, the Chromium project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:path/path.dart' as path;
+
+String prompt(String tag) {
+  stdout.write('$tag?: ');
+  final answer = stdin.readLineSync();
+
+  if (answer == null || answer.isEmpty) {
+    throw Exception('$tag is required');
+  }
+
+  return answer;
+}
+
+Future<void> main(List<String> args) async {
+  final name = prompt('Label name');
+  final description = prompt('Label description');
+  final englishTranslation = prompt('English translation');
+
+  final cwd = Directory.current.path;
+  final l10nSrc = Directory(path.join(cwd, 'lib', 'l10n'));
+
+  final files = l10nSrc.listSync().whereType<File>().toList();
+  final futures = files.map((e) async {
+    final newContent = await addLabel(e, name, description, englishTranslation);
+    final b = StringBuffer();
+    final string = const JsonEncoder.withIndent('  ').convert(newContent);
+    b.write(string);
+    b.write('\n');
+
+    await e.writeAsString(b.toString());
+  });
+
+  await Future.wait(futures);
+  stdout.writeln('Done!');
+}
+
+Future<Map<String, dynamic>> addLabel(
+  File file,
+  String name,
+  String description,
+  String englishTranslation,
+) async {
+  final content = jsonDecode(await file.readAsString()) as Map<String, dynamic>;
+  return {
+    ...content,
+    "@@last_modified": DateTime.now().toIso8601String(),
+    name: englishTranslation,
+    "@$name": {
+      "description": description,
+      "placeholders": {},
+    },
+  };
+}
diff --git a/packages/firebase_ui_localizations/example/test/widget_test.dart b/packages/firebase_ui_localizations/example/test/widget_test.dart
deleted file mode 100644
index 630ab933..00000000
--- a/packages/firebase_ui_localizations/example/test/widget_test.dart
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright 2022, the Chromium project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// This is a basic Flutter widget test.
-//
-// To perform an interaction with a widget in your test, use the WidgetTester
-// utility in the flutter_test package. For example, you can send tap and scroll
-// gestures. You can also use WidgetTester to find child widgets in the widget
-// tree, read text, and verify that the values of widget properties are correct.
-
-import 'package:flutter/material.dart';
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:firebase_ui_localizations_example/main.dart';
-
-void main() {
-  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
-    // Build our app and trigger a frame.
-    await tester.pumpWidget(const MyApp());
-
-    // Verify that our counter starts at 0.
-    expect(find.text('0'), findsOneWidget);
-    expect(find.text('1'), findsNothing);
-
-    // Tap the '+' icon and trigger a frame.
-    await tester.tap(find.byIcon(Icons.add));
-    await tester.pump();
-
-    // Verify that our counter has incremented.
-    expect(find.text('0'), findsNothing);
-    expect(find.text('1'), findsOneWidget);
-  });
-}
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ar.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ar.arb
index 6f9fa2e8..c6e94079 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ar.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ar.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "ar",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.840754",
   "accessDisabledErrorText": "تم إيقاف إذن الوصول إلى هذا الحساب مؤقتًا.",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_de.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_de.arb
index 5ca2f2c9..26985b1b 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_de.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_de.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "de",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.835367",
   "accessDisabledErrorText": "Der Zugriff auf dieses Konto wurde vorübergehend gesperrt",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_en.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_en.arb
index 530919da..eb8569d6 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_en.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_en.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "en",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.843264",
   "accessDisabledErrorText": "Access to this account has been temporarily disabled",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
-}
\ No newline at end of file
+}
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_es.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_es.arb
index 94fe9fac..09558600 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_es.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_es.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "es",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.812582",
   "accessDisabledErrorText": "Se ha inhabilitado temporalmente al acceso a esta cuenta",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_es_419.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_es_419.arb
index d0117a3e..ad0d4200 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_es_419.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_es_419.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "es_419",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.840098",
   "accessDisabledErrorText": "Se inhabilitó temporalmente el acceso a la cuenta",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_fr.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_fr.arb
index 88f8c6c6..c210be3e 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_fr.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_fr.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "fr",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.846260",
   "accessDisabledErrorText": "L'accès à ce compte a été temporairement désactivé",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_he.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_he.arb
index d6a4cf0f..cd694bbc 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_he.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_he.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "he",
-  "@@last_modified": "2023-03-28T13:23:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.833349",
   "accessDisabledErrorText": "הגישה לחשבון זה הושבתה באופן זמני",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -31,7 +31,7 @@
     "description": "Used as an error text when provided passwords do not match.",
     "placeholders": {}
   },
-  "confirmPasswordInputLabel":  "וודא סיסמה",
+  "confirmPasswordInputLabel": "וודא סיסמה",
   "@confirmPasswordInputLabel": {
     "description": "Used as a label of the PasswordInput that confirms a provided password.",
     "placeholders": {}
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_hi.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_hi.arb
index 5e461e38..b3f42798 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_hi.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_hi.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "hi",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.845305",
   "accessDisabledErrorText": "इस खाते के ऐक्सेस पर, कुछ समय के लिए रोक लगा दी गई है",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_hu.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_hu.arb
index 97716702..f45f7738 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_hu.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_hu.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "hu",
-  "@@last_modified": "2022-12-14T10:50:43",
+  "@@last_modified": "2023-08-31T15:49:19.825507",
   "accessDisabledErrorText": "A fiók átmenetileg le van tiltva",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_id.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_id.arb
index 12ae33fb..04068789 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_id.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_id.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "id",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.827378",
   "accessDisabledErrorText": "Akses ke akun ini telah dinonaktifkan untuk sementara waktu",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_it.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_it.arb
index 15aa3cf3..5ec967f4 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_it.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_it.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "it",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.834393",
   "accessDisabledErrorText": "L'accesso a questo account è stato temporaneamente disabilitato",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ja.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ja.arb
index a2777943..98681226 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ja.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ja.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "ja",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.843967",
   "accessDisabledErrorText": "このアカウントへのアクセスが一時的に無効になっています",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ko.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ko.arb
index d9ed962d..affdb28b 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ko.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ko.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "ko",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.820707",
   "accessDisabledErrorText": "이 계정의 액세스가 일시적으로 중지되었습니다.",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_nl.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_nl.arb
index 7b2e3cc0..34eee9ef 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_nl.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_nl.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "nl",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.842616",
   "accessDisabledErrorText": "De toegang tot dit account is tijdelijk uitgezet",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_pl.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_pl.arb
index 8743d7f8..646216ca 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_pl.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_pl.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "pl",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.841548",
   "accessDisabledErrorText": "Dostęp do tego konta został tymczasowo wyłączony",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_pt.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_pt.arb
index f434866f..322a9cdb 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_pt.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_pt.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "pt",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.829447",
   "accessDisabledErrorText": "O acesso a esta conta foi desativado temporariamente",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ru.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ru.arb
index 57062bc4..f0b2c797 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ru.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_ru.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "ru",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.845798",
   "accessDisabledErrorText": "Доступ к этому аккаунту временно заблокирован.",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,6 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
-
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_th.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_th.arb
index 2157b9a6..0f60082f 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_th.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_th.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "th",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.837815",
   "accessDisabledErrorText": "มีการปิดใช้สิทธิ์เข้าถึงบัญชีนี้ชั่วคราว",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_tr.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_tr.arb
index 512d4d76..e59043fc 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_tr.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_tr.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "tr",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.839337",
   "accessDisabledErrorText": "Bu hesaba erişim geçici olarak devre dışı bırakıldı",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_uk.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_uk.arb
index 8237e60a..1273ac54 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_uk.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_uk.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "uk",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.836705",
   "accessDisabledErrorText": "Доступ до цього облікового запису тимчасово вимкнено",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_zh.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_zh.arb
index ab728211..96a5b140 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_zh.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_zh.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "zh",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.844650",
   "accessDisabledErrorText": "对此帐号的访问权限已被临时停用",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_zh_TW.arb b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_zh_TW.arb
index ff376349..25d2201d 100644
--- a/packages/firebase_ui_localizations/lib/l10n/firebase_ui_zh_TW.arb
+++ b/packages/firebase_ui_localizations/lib/l10n/firebase_ui_zh_TW.arb
@@ -1,6 +1,6 @@
 {
   "@@locale": "zh_TW",
-  "@@last_modified": "2022-09-14T18:25:39.449",
+  "@@last_modified": "2023-08-31T15:49:19.838651",
   "accessDisabledErrorText": "這個帳戶暫時無法存取",
   "@accessDisabledErrorText": {
     "description": "Used as an error message when account is blocked and user tries to perform some actions with the account (e.g. unlinking a credential).",
@@ -423,5 +423,10 @@
   "@wrongOrNoPasswordErrorText": {
     "description": "Used as an error text of the PasswordInput when provided password is empty or is not correct.",
     "placeholders": {}
+  },
+  "uploadButtonText": "Upload file",
+  "@uploadButtonText": {
+    "description": "UploadButton label",
+    "placeholders": {}
   }
 }
diff --git a/packages/firebase_ui_localizations/lib/src/default_localizations.dart b/packages/firebase_ui_localizations/lib/src/default_localizations.dart
index 53327b75..dc630fcf 100644
--- a/packages/firebase_ui_localizations/lib/src/default_localizations.dart
+++ b/packages/firebase_ui_localizations/lib/src/default_localizations.dart
@@ -267,6 +267,9 @@ abstract class FirebaseUILocalizationLabels {
   String get latitudeLabel;
   String get geopointLabel;
   String get referenceLabel;
+
+  /// `UploadButton` label
+  String get uploadButtonText => "Upload file";
 }
 
 class DefaultLocalizations extends EnLocalizations {
diff --git a/packages/firebase_ui_localizations/lib/src/lang/ar.dart b/packages/firebase_ui_localizations/lib/src/lang/ar.dart
index 27b8ae4d..ef3ad2c9 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/ar.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/ar.dart
@@ -269,4 +269,7 @@ class ArLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "كلمة المرور غير صالحة أو لم يُدخِل المستخدم كلمة مرور.";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/de.dart b/packages/firebase_ui_localizations/lib/src/lang/de.dart
index fea5f9da..04b55bc1 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/de.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/de.dart
@@ -266,4 +266,7 @@ class DeLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "Das Passwort ist ungültig oder der Nutzer hat kein Passwort";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/en.dart b/packages/firebase_ui_localizations/lib/src/lang/en.dart
index 1244df38..a68da548 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/en.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/en.dart
@@ -262,4 +262,7 @@ class EnLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "The password is invalid or the user does not have a password";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/es.dart b/packages/firebase_ui_localizations/lib/src/lang/es.dart
index d06b8e7f..e61f8468 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/es.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/es.dart
@@ -271,4 +271,7 @@ class EsLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "La contraseña no es válida o el usuario no tiene una contraseña";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/es_419.dart b/packages/firebase_ui_localizations/lib/src/lang/es_419.dart
index 9160c938..82d352c2 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/es_419.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/es_419.dart
@@ -268,4 +268,7 @@ class Es419Localizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "La contraseña no es válida o el usuario no tiene contraseña";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/fr.dart b/packages/firebase_ui_localizations/lib/src/lang/fr.dart
index cdf3dc3c..a56a7ece 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/fr.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/fr.dart
@@ -272,4 +272,7 @@ class FrLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "Le mot de passe n'est pas valide ou l'utilisateur n'en possède pas";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/he.dart b/packages/firebase_ui_localizations/lib/src/lang/he.dart
index a32f0f93..33a90bfa 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/he.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/he.dart
@@ -262,4 +262,7 @@ class HeLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "הסיסמה אינה חוקית או שלמשתמש אין סיסמה";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/hi.dart b/packages/firebase_ui_localizations/lib/src/lang/hi.dart
index bd055dc1..466d4067 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/hi.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/hi.dart
@@ -265,4 +265,7 @@ class HiLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "पासवर्ड अमान्य है या उपयोगकर्ता ने कोई पासवर्ड सेट नहीं किया है";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/hu.dart b/packages/firebase_ui_localizations/lib/src/lang/hu.dart
index ddb600f1..a67120f8 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/hu.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/hu.dart
@@ -263,4 +263,7 @@ class HuLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "A jelszó helytelen vagy nincs megadva";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/id.dart b/packages/firebase_ui_localizations/lib/src/lang/id.dart
index 3d544232..46de49f6 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/id.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/id.dart
@@ -263,4 +263,7 @@ class IdLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "Sandi tidak valid atau pengguna tidak memiliki sandi";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/it.dart b/packages/firebase_ui_localizations/lib/src/lang/it.dart
index d2379a54..788e26f9 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/it.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/it.dart
@@ -266,4 +266,7 @@ class ItLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "La password non è valida o l'utente non dispone di una password";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/ja.dart b/packages/firebase_ui_localizations/lib/src/lang/ja.dart
index e7c61108..39d4e455 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/ja.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/ja.dart
@@ -259,4 +259,7 @@ class JaLocalizations extends FirebaseUILocalizationLabels {
 
   @override
   String get wrongOrNoPasswordErrorText => "パスワードが無効か、ユーザーにパスワードが設定されていません";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/ko.dart b/packages/firebase_ui_localizations/lib/src/lang/ko.dart
index aaaf4486..8358a398 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/ko.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/ko.dart
@@ -257,4 +257,7 @@ class KoLocalizations extends FirebaseUILocalizationLabels {
 
   @override
   String get wrongOrNoPasswordErrorText => "비밀번호가 잘못되었거나 사용자에게 비밀번호가 없습니다.";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/nl.dart b/packages/firebase_ui_localizations/lib/src/lang/nl.dart
index bda470d1..5a3589ce 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/nl.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/nl.dart
@@ -265,4 +265,7 @@ class NlLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "Het wachtwoord is ongeldig of de gebruiker heeft geen wachtwoord";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/pl.dart b/packages/firebase_ui_localizations/lib/src/lang/pl.dart
index 24667e1f..913e2f64 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/pl.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/pl.dart
@@ -265,4 +265,7 @@ class PlLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "Hasło jest nieprawidłowe lub użytkownik nie ma hasła";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/pt.dart b/packages/firebase_ui_localizations/lib/src/lang/pt.dart
index ab003e75..7703780b 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/pt.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/pt.dart
@@ -266,4 +266,7 @@ class PtLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "A senha é inválida ou o usuário não tem uma senha";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/ru.dart b/packages/firebase_ui_localizations/lib/src/lang/ru.dart
index f131ba15..0776d7bf 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/ru.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/ru.dart
@@ -265,4 +265,7 @@ class RuLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "Пароль недействителен или не установлен для этого пользователя.";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/th.dart b/packages/firebase_ui_localizations/lib/src/lang/th.dart
index 4144c7f6..bccdd0db 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/th.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/th.dart
@@ -262,4 +262,7 @@ class ThLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "รหัสผ่านไม่ถูกต้องหรือผู้ใช้ไม่มีรหัสผ่าน";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/tr.dart b/packages/firebase_ui_localizations/lib/src/lang/tr.dart
index 777f3940..01101e72 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/tr.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/tr.dart
@@ -265,4 +265,7 @@ class TrLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "Girdiğiniz şifre yanlış veya kullanıcının şifresi yok";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/uk.dart b/packages/firebase_ui_localizations/lib/src/lang/uk.dart
index 5dcbc185..8a5c0314 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/uk.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/uk.dart
@@ -267,4 +267,7 @@ class UkLocalizations extends FirebaseUILocalizationLabels {
   @override
   String get wrongOrNoPasswordErrorText =>
       "У користувача немає пароля або він недійсний";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/zh.dart b/packages/firebase_ui_localizations/lib/src/lang/zh.dart
index b4a4a25a..bf1e9adf 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/zh.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/zh.dart
@@ -255,4 +255,7 @@ class ZhLocalizations extends FirebaseUILocalizationLabels {
 
   @override
   String get wrongOrNoPasswordErrorText => "密码无效，或者用户没有密码";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_localizations/lib/src/lang/zh_tw.dart b/packages/firebase_ui_localizations/lib/src/lang/zh_tw.dart
index ca3aebff..d32265e5 100644
--- a/packages/firebase_ui_localizations/lib/src/lang/zh_tw.dart
+++ b/packages/firebase_ui_localizations/lib/src/lang/zh_tw.dart
@@ -255,4 +255,7 @@ class ZhTWLocalizations extends FirebaseUILocalizationLabels {
 
   @override
   String get wrongOrNoPasswordErrorText => "密碼無效或使用者未輸入密碼";
+
+  @override
+  String get uploadButtonText => "Upload file";
 }
diff --git a/packages/firebase_ui_storage/example/test/widget_test.dart b/packages/firebase_ui_storage/example/test/widget_test.dart
deleted file mode 100644
index b72c9433..00000000
--- a/packages/firebase_ui_storage/example/test/widget_test.dart
+++ /dev/null
@@ -1,5 +0,0 @@
-// Copyright 2023, the Chromium project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-void main() {}
diff --git a/packages/firebase_ui_storage/lib/src/widgets/upload_button.dart b/packages/firebase_ui_storage/lib/src/widgets/upload_button.dart
index 2fff09c7..eabd3b87 100644
--- a/packages/firebase_ui_storage/lib/src/widgets/upload_button.dart
+++ b/packages/firebase_ui_storage/lib/src/widgets/upload_button.dart
@@ -5,6 +5,7 @@
 import 'dart:io';
 
 import 'package:firebase_storage/firebase_storage.dart';
+import 'package:firebase_ui_localizations/firebase_ui_localizations.dart';
 import 'package:firebase_ui_shared/firebase_ui_shared.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
@@ -104,9 +105,10 @@ class _UploadButtonState extends State<UploadButton> {
   @override
   Widget build(BuildContext context) {
     final config = context.configFor(storage);
+    final l = FirebaseUILocalizations.labelsOf(context);
 
     return LoadingButton(
-      label: 'Upload file', // TOOD(lesnitsky): i18n
+      label: l.uploadButtonText,
       cupertinoIcon: CupertinoIcons.cloud_upload,
       materialIcon: Icons.upload_outlined,
       isLoading: isLoading,
diff --git a/packages/firebase_ui_storage/pubspec.yaml b/packages/firebase_ui_storage/pubspec.yaml
index 3bd8e4d9..f20dd67e 100644
--- a/packages/firebase_ui_storage/pubspec.yaml
+++ b/packages/firebase_ui_storage/pubspec.yaml
@@ -14,6 +14,7 @@ dependencies:
   flutter:
     sdk: flutter
   firebase_storage: ^11.2.5
+  firebase_ui_localizations: ^1.5.3
   firebase_ui_shared: ^1.3.1
   path: ^1.8.2
   uuid: ^3.0.7