diff --git a/changedetectionio/translations/cs/LC_MESSAGES/messages.mo b/changedetectionio/translations/cs/LC_MESSAGES/messages.mo
index 208679e37..3a36b1df0 100644
Binary files a/changedetectionio/translations/cs/LC_MESSAGES/messages.mo and b/changedetectionio/translations/cs/LC_MESSAGES/messages.mo differ
diff --git a/changedetectionio/translations/cs/LC_MESSAGES/messages.po b/changedetectionio/translations/cs/LC_MESSAGES/messages.po
index b2c898bcf..84f1f29ca 100644
--- a/changedetectionio/translations/cs/LC_MESSAGES/messages.po
+++ b/changedetectionio/translations/cs/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: 2026-01-02 11:40+0100\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: cs\n"
@@ -966,6 +966,10 @@ msgstr "Přidávání monitorů do fronty pro opětovnou kontrolu na pozadí..."
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr ""
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr "Jazyk nastaven na automatickou detekci z prohlížeče"
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1043,8 +1047,8 @@ msgstr "potvrdit, že rozumíte."
 msgid "Clear History!"
 msgstr "Vymazat historii!"
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr "Zrušit"
 
@@ -1776,20 +1780,20 @@ msgstr "Znovu zkontrolujte vše"
 msgid "in '%(title)s'"
 msgstr "v '%(title)s'"
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr "Ještě ne"
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr ""
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr ""
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr "Nesprávné heslo"
 
@@ -2830,23 +2834,27 @@ msgstr "Aktualizace v reálném čase offline"
 msgid "Select Language"
 msgstr "Vyberte Jazyk"
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr ""
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr "Hledat"
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr "v"
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr ""
 
diff --git a/changedetectionio/translations/de/LC_MESSAGES/messages.mo b/changedetectionio/translations/de/LC_MESSAGES/messages.mo
index 0b3829fee..98945d4cd 100644
Binary files a/changedetectionio/translations/de/LC_MESSAGES/messages.mo and b/changedetectionio/translations/de/LC_MESSAGES/messages.mo differ
diff --git a/changedetectionio/translations/de/LC_MESSAGES/messages.po b/changedetectionio/translations/de/LC_MESSAGES/messages.po
index a020d3f93..a03105dc0 100644
--- a/changedetectionio/translations/de/LC_MESSAGES/messages.po
+++ b/changedetectionio/translations/de/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: 2026-01-14 03:57+0100\n"
 "Last-Translator: \n"
 "Language: de\n"
@@ -982,6 +982,10 @@ msgstr "Überwachungen werden im Hintergrund zur erneuten Prüfung eingereiht...
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr "Die Freigabe konnte nicht erfolgen, bei der Kommunikation mit dem Freigabeserver ist ein Fehler aufgetreten – {}"
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr "Sprache auf automatische Erkennung vom Browser gesetzt"
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1061,8 +1065,8 @@ msgstr "um zu bestätigen, dass Sie es verstanden haben."
 msgid "Clear History!"
 msgstr "Verlauf löschen!"
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr "Abbrechen"
 
@@ -1818,20 +1822,20 @@ msgstr "Überprüfen Sie alles noch einmal"
 msgid "in '%(title)s'"
 msgstr "in '%(title)s'"
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr "Noch nicht"
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr "Bereits angemeldet"
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr "Sie müssen angemeldet sein, bitte melden Sie sich an."
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr "Falsches Passwort"
 
@@ -2877,25 +2881,29 @@ msgstr "Echtzeit-Updates offline"
 msgid "Select Language"
 msgstr "Wählen Sie Sprache aus"
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr ""
 "Die Sprachunterstützung befindet sich in der Beta-Phase. Bitte helfen Sie uns bei der Verbesserung, indem Sie auf "
 "GitHub einen PR mit Updates öffnen."
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr "Suchen"
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr "in"
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr ""
 
diff --git a/changedetectionio/translations/en_GB/LC_MESSAGES/messages.mo b/changedetectionio/translations/en_GB/LC_MESSAGES/messages.mo
index 3486bdec5..fe49bcb7e 100644
Binary files a/changedetectionio/translations/en_GB/LC_MESSAGES/messages.mo and b/changedetectionio/translations/en_GB/LC_MESSAGES/messages.mo differ
diff --git a/changedetectionio/translations/en_GB/LC_MESSAGES/messages.po b/changedetectionio/translations/en_GB/LC_MESSAGES/messages.po
index 6475e3b82..1dee0bf04 100644
--- a/changedetectionio/translations/en_GB/LC_MESSAGES/messages.po
+++ b/changedetectionio/translations/en_GB/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version:  changedetection.io\n"
 "Report-Msgid-Bugs-To: https://github.com/dgtlmoon/changedetection.io\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: 2026-01-12 16:33+0100\n"
 "Last-Translator: British English Translation Team\n"
 "Language: en_GB\n"
@@ -962,6 +962,10 @@ msgstr ""
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr ""
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr ""
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1039,8 +1043,8 @@ msgstr ""
 msgid "Clear History!"
 msgstr ""
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr ""
 
@@ -1772,20 +1776,20 @@ msgstr ""
 msgid "in '%(title)s'"
 msgstr ""
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr ""
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr ""
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr ""
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr ""
 
@@ -2826,23 +2830,27 @@ msgstr ""
 msgid "Select Language"
 msgstr ""
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr ""
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr ""
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr ""
 
diff --git a/changedetectionio/translations/en_US/LC_MESSAGES/messages.mo b/changedetectionio/translations/en_US/LC_MESSAGES/messages.mo
index 47dfe1808..b87e728b1 100644
Binary files a/changedetectionio/translations/en_US/LC_MESSAGES/messages.mo and b/changedetectionio/translations/en_US/LC_MESSAGES/messages.mo differ
diff --git a/changedetectionio/translations/en_US/LC_MESSAGES/messages.po b/changedetectionio/translations/en_US/LC_MESSAGES/messages.po
index b36bc36d1..aa2dbc61e 100644
--- a/changedetectionio/translations/en_US/LC_MESSAGES/messages.po
+++ b/changedetectionio/translations/en_US/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: https://github.com/dgtlmoon/changedetection.io\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: 2026-01-12 16:37+0100\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: en_US\n"
@@ -962,6 +962,10 @@ msgstr ""
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr ""
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr ""
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1039,8 +1043,8 @@ msgstr ""
 msgid "Clear History!"
 msgstr ""
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr ""
 
@@ -1772,20 +1776,20 @@ msgstr ""
 msgid "in '%(title)s'"
 msgstr ""
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr ""
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr ""
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr ""
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr ""
 
@@ -2826,23 +2830,27 @@ msgstr ""
 msgid "Select Language"
 msgstr ""
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr ""
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr ""
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr ""
 
diff --git a/changedetectionio/translations/fr/LC_MESSAGES/messages.mo b/changedetectionio/translations/fr/LC_MESSAGES/messages.mo
index d7942d075..9ae19c16b 100644
Binary files a/changedetectionio/translations/fr/LC_MESSAGES/messages.mo and b/changedetectionio/translations/fr/LC_MESSAGES/messages.mo differ
diff --git a/changedetectionio/translations/fr/LC_MESSAGES/messages.po b/changedetectionio/translations/fr/LC_MESSAGES/messages.po
index e8218bbce..26331ef1a 100644
--- a/changedetectionio/translations/fr/LC_MESSAGES/messages.po
+++ b/changedetectionio/translations/fr/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: 2026-01-02 11:40+0100\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: fr\n"
@@ -966,6 +966,10 @@ msgstr "Mise en file des moniteurs pour revérification en arrière-plan..."
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr ""
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr "Langue définie sur la détection automatique depuis le navigateur"
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1043,8 +1047,8 @@ msgstr "pour confirmer que vous comprenez."
 msgid "Clear History!"
 msgstr "Effacer les historiques"
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr "Annuler"
 
@@ -1778,20 +1782,20 @@ msgstr "Revérifiez tout"
 msgid "in '%(title)s'"
 msgstr "dans '%(title)s'"
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr "Pas encore"
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr "Déjà connecté"
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr "Vous devez être connecté, veuillez vous connecter."
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr "Mot de passe incorrect"
 
@@ -2836,25 +2840,29 @@ msgstr "Mises à jour en temps réel hors ligne"
 msgid "Select Language"
 msgstr "Sélectionnez la langue"
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr ""
 "Le support linguistique est en version bêta, veuillez nous aider à améliorer en ouvrant une PR sur GitHub avec vos "
 "mises à jour."
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr "Rechercher"
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr "dans"
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr ""
 
diff --git a/changedetectionio/translations/it/LC_MESSAGES/messages.mo b/changedetectionio/translations/it/LC_MESSAGES/messages.mo
index 81cf835b4..ab991d883 100644
Binary files a/changedetectionio/translations/it/LC_MESSAGES/messages.mo and b/changedetectionio/translations/it/LC_MESSAGES/messages.mo differ
diff --git a/changedetectionio/translations/it/LC_MESSAGES/messages.po b/changedetectionio/translations/it/LC_MESSAGES/messages.po
index e9f209a06..0c7c100e8 100644
--- a/changedetectionio/translations/it/LC_MESSAGES/messages.po
+++ b/changedetectionio/translations/it/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: 2026-01-02 15:32+0100\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: it\n"
@@ -964,6 +964,10 @@ msgstr "Accodamento monitor per riverifica in background..."
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr ""
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr "Lingua impostata su rilevamento automatico dal browser"
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1041,8 +1045,8 @@ msgstr ""
 msgid "Clear History!"
 msgstr ""
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr "Annulla"
 
@@ -1774,20 +1778,20 @@ msgstr "Controlla tutti"
 msgid "in '%(title)s'"
 msgstr ""
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr "Non ancora"
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr "Già autenticato"
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr "Devi essere autenticato, effettua l'accesso."
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr "Password errata"
 
@@ -2828,23 +2832,27 @@ msgstr ""
 msgid "Select Language"
 msgstr "Seleziona Lingua"
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr "Il supporto linguistico è in versione beta, aiutaci a migliorare aprendo una PR su GitHub con eventuali aggiornamenti."
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr "Cerca"
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr "in"
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr ""
 
diff --git a/changedetectionio/translations/ko/LC_MESSAGES/messages.mo b/changedetectionio/translations/ko/LC_MESSAGES/messages.mo
index b6f4e0b51..537a69a9a 100644
Binary files a/changedetectionio/translations/ko/LC_MESSAGES/messages.mo and b/changedetectionio/translations/ko/LC_MESSAGES/messages.mo differ
diff --git a/changedetectionio/translations/ko/LC_MESSAGES/messages.po b/changedetectionio/translations/ko/LC_MESSAGES/messages.po
index fc544dd50..b3165088f 100644
--- a/changedetectionio/translations/ko/LC_MESSAGES/messages.po
+++ b/changedetectionio/translations/ko/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: 2026-01-02 11:40+0100\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: ko\n"
@@ -962,6 +962,10 @@ msgstr "백그라운드에서 모니터 재확인 대기열 추가 중..."
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr ""
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr "브라우저 자동 감지로 언어 설정"
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1039,8 +1043,8 @@ msgstr "당신이 이해했는지 확인하기 위해."
 msgid "Clear History!"
 msgstr "기록 지우기"
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr "취소"
 
@@ -1772,20 +1776,20 @@ msgstr "모두 다시 확인하세요"
 msgid "in '%(title)s'"
 msgstr "'%(title)s'에서"
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr "아직 아님"
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr ""
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr ""
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr "잘못된 비밀번호"
 
@@ -2826,23 +2830,27 @@ msgstr "실시간 업데이트 오프라인"
 msgid "Select Language"
 msgstr "언어 선택"
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr ""
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr "검색"
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr "내"
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr ""
 
diff --git a/changedetectionio/translations/messages.pot b/changedetectionio/translations/messages.pot
index 16a1f59ee..93fc68d3f 100644
--- a/changedetectionio/translations/messages.pot
+++ b/changedetectionio/translations/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: changedetection.io 0.52.8\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -961,6 +961,10 @@ msgstr ""
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr ""
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr ""
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1038,8 +1042,8 @@ msgstr ""
 msgid "Clear History!"
 msgstr ""
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr ""
 
@@ -1771,20 +1775,20 @@ msgstr ""
 msgid "in '%(title)s'"
 msgstr ""
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr ""
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr ""
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr ""
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr ""
 
@@ -2825,23 +2829,27 @@ msgstr ""
 msgid "Select Language"
 msgstr ""
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr ""
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr ""
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr ""
 
diff --git a/changedetectionio/translations/zh/LC_MESSAGES/messages.mo b/changedetectionio/translations/zh/LC_MESSAGES/messages.mo
index 1092657d1..aa05fe544 100644
Binary files a/changedetectionio/translations/zh/LC_MESSAGES/messages.mo and b/changedetectionio/translations/zh/LC_MESSAGES/messages.mo differ
diff --git a/changedetectionio/translations/zh/LC_MESSAGES/messages.po b/changedetectionio/translations/zh/LC_MESSAGES/messages.po
index e6eb093ec..dfac66560 100644
--- a/changedetectionio/translations/zh/LC_MESSAGES/messages.po
+++ b/changedetectionio/translations/zh/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: 2026-01-18 21:31+0800\n"
 "Last-Translator: 吾爱分享 <admin@wuaishare.cn>\n"
 "Language: zh\n"
@@ -962,6 +962,10 @@ msgstr "后台将监视器加入重新检查队列..."
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr "无法分享，与分享服务器通信时出错 - {}"
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr "已设置为从浏览器自动检测语言"
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1039,8 +1043,8 @@ msgstr "以确认你已理解。"
 msgid "Clear History!"
 msgstr "清除历史记录！"
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr "取消"
 
@@ -1772,20 +1776,20 @@ msgstr "重新检查全部"
 msgid "in '%(title)s'"
 msgstr "（“%(title)s”中）"
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr "尚未"
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr "已登录"
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr "需要登录，请先登录。"
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr "密码错误"
 
@@ -2826,23 +2830,27 @@ msgstr "实时更新离线"
 msgid "Select Language"
 msgstr "选择语言"
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr "语言支持仍在测试阶段，欢迎在 GitHub 提交 PR 帮助改进。"
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr "搜索"
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr "URL 或标题"
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr "在"
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr "输入搜索关键词..."
 
diff --git a/changedetectionio/translations/zh_Hant_TW/LC_MESSAGES/messages.mo b/changedetectionio/translations/zh_Hant_TW/LC_MESSAGES/messages.mo
index aec1110b5..2fa1755af 100644
Binary files a/changedetectionio/translations/zh_Hant_TW/LC_MESSAGES/messages.mo and b/changedetectionio/translations/zh_Hant_TW/LC_MESSAGES/messages.mo differ
diff --git a/changedetectionio/translations/zh_Hant_TW/LC_MESSAGES/messages.po b/changedetectionio/translations/zh_Hant_TW/LC_MESSAGES/messages.po
index 64a0d9c5f..6da77891f 100644
--- a/changedetectionio/translations/zh_Hant_TW/LC_MESSAGES/messages.po
+++ b/changedetectionio/translations/zh_Hant_TW/LC_MESSAGES/messages.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2026-01-22 06:10+0100\n"
+"POT-Creation-Date: 2026-01-22 06:12+0100\n"
 "PO-Revision-Date: 2026-01-15 12:00+0800\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language: zh_Hant_TW\n"
@@ -962,6 +962,10 @@ msgstr "背景將監測任務排入複查佇列..."
 msgid "Could not share, something went wrong while communicating with the share server - {}"
 msgstr "無法分享，與分享伺服器通訊時發生錯誤 - {}"
 
+#: changedetectionio/blueprint/ui/__init__.py:415
+msgid "Language set to auto-detect from browser"
+msgstr "已設定為從瀏覽器自動偵測語言"
+
 #: changedetectionio/blueprint/ui/diff.py:93 changedetectionio/blueprint/ui/diff.py:154
 #: changedetectionio/blueprint/ui/diff.py:210 changedetectionio/blueprint/ui/diff.py:277
 #: changedetectionio/blueprint/ui/preview.py:36 changedetectionio/blueprint/ui/preview.py:160
@@ -1039,8 +1043,8 @@ msgstr "以確認您已了解。"
 msgid "Clear History!"
 msgstr "清除歷史記錄！"
 
-#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:273
-#: changedetectionio/templates/base.html:293
+#: changedetectionio/blueprint/ui/templates/clear_all_history.html:39 changedetectionio/templates/base.html:278
+#: changedetectionio/templates/base.html:298
 msgid "Cancel"
 msgstr "取消"
 
@@ -1772,20 +1776,20 @@ msgstr "複查全部"
 msgid "in '%(title)s'"
 msgstr "於 '%(title)s'"
 
-#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:224
-#: changedetectionio/flask_app.py:236 changedetectionio/flask_app.py:257 changedetectionio/realtime/socket_server.py:168
+#: changedetectionio/blueprint/watchlist/templates/watch-overview.html:273 changedetectionio/flask_app.py:232
+#: changedetectionio/flask_app.py:244 changedetectionio/flask_app.py:265 changedetectionio/realtime/socket_server.py:168
 msgid "Not yet"
 msgstr "還沒有"
 
-#: changedetectionio/flask_app.py:589
+#: changedetectionio/flask_app.py:600
 msgid "Already logged in"
 msgstr "已經登入"
 
-#: changedetectionio/flask_app.py:591
+#: changedetectionio/flask_app.py:602
 msgid "You must be logged in, please log in."
 msgstr "您必須先登入，請登入。"
 
-#: changedetectionio/flask_app.py:606
+#: changedetectionio/flask_app.py:617
 msgid "Incorrect password"
 msgstr "密碼錯誤"
 
@@ -2826,23 +2830,27 @@ msgstr "離線即時更新"
 msgid "Select Language"
 msgstr "選擇語言"
 
-#: changedetectionio/templates/base.html:269
+#: changedetectionio/templates/base.html:270
+msgid "Auto-detect from browser"
+msgstr ""
+
+#: changedetectionio/templates/base.html:274
 msgid "Language support is in beta, please help us improve by opening a PR on GitHub with any updates."
 msgstr "語言支援尚在 Beta 階段，請在 GitHub 上提交 PR 以協助我們改進。"
 
-#: changedetectionio/templates/base.html:281 changedetectionio/templates/base.html:294
+#: changedetectionio/templates/base.html:286 changedetectionio/templates/base.html:299
 msgid "Search"
 msgstr "搜尋"
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "URL or Title"
 msgstr ""
 
-#: changedetectionio/templates/base.html:286
+#: changedetectionio/templates/base.html:291
 msgid "in"
 msgstr "在"
 
-#: changedetectionio/templates/base.html:287
+#: changedetectionio/templates/base.html:292
 msgid "Enter search term..."
 msgstr ""