diff --git a/internal/i18n/i18n.go b/internal/i18n/i18n.go
new file mode 100644
index 0000000..40183e1
--- /dev/null
+++ b/internal/i18n/i18n.go
@@ -0,0 +1,38 @@
+package i18n
+
+/*
+#include <locale.h>
+#include <stdlib.h>
+#include <libintl.h>
+
+static void init_i18n(const char* domain, const char* localedir) {
+	setlocale(LC_ALL, "");
+	bindtextdomain(domain, localedir);
+	bind_textdomain_codeset(domain, "UTF-8");
+	textdomain(domain);
+}
+*/
+import "C"
+
+import (
+	"log"
+	"unsafe"
+)
+
+func Init(domain, localeDir string) {
+	cDomain := C.CString(domain)
+	defer C.free(unsafe.Pointer(cDomain))
+
+	cDir := C.CString(localeDir)
+	defer C.free(unsafe.Pointer(cDir))
+
+	log.Println("initialize localization for domain", domain, "with directory", localeDir)
+	C.init_i18n(cDomain, cDir)
+}
+
+func T(msgid string) string {
+	c := C.CString(msgid)
+	defer C.free(unsafe.Pointer(c))
+
+	return C.GoString(C.gettext(c))
+}
diff --git a/locale/de/LC_MESSAGES/mcg.mo b/locale/de/LC_MESSAGES/mcg.mo
new file mode 100644
index 0000000..79cb779
Binary files /dev/null and b/locale/de/LC_MESSAGES/mcg.mo differ
diff --git a/locale/de/LC_MESSAGES/mcg.po b/locale/de/LC_MESSAGES/mcg.po
new file mode 100644
index 0000000..8819521
--- /dev/null
+++ b/locale/de/LC_MESSAGES/mcg.po
@@ -0,0 +1,333 @@
+msgid ""
+msgstr ""
+"Project-Id-Version: CoverGrid (mcg)\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2026-08-09 19:13+0200\n"
+"PO-Revision-Date: 2026-08-14 09:34+0200\n"
+"Last-Translator: coderkun <olli@suruatoel.xyz>\n"
+"Language-Team: \n"
+"Language: de_DE\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"X-Generator: Poedit 3.9\n"
+"X-Poedit-Basepath: ../../..\n"
+"X-Poedit-SourceCharset: UTF-8\n"
+
+#: internal/common/album.go:93 internal/gui/coverpanel.go:290
+#, go-format
+msgid "%d:%d minutes"
+msgstr "%d:%d Minuten"
+
+#: internal/gui/application.go:108
+msgid ""
+"CoverGrid is a client for the Music Player Daemon, focusing on albums "
+"instead of single tracks."
+msgstr ""
+"CoverGrid ist ein ein Client für den Music Player Daemon, der sich auf Alben "
+"anstellen von einzelnen Songs fokussiert."
+
+#: internal/gui/coverpanel.go:277
+#, go-format
+msgid "%s feat. %s"
+msgstr "%s mit %s"
+
+#: internal/gui/window.go:117
+msgid "Server"
+msgstr "Server"
+
+#: internal/gui/window.go:118
+msgid "Cover"
+msgstr "Cover"
+
+#: internal/gui/window.go:119
+msgid "Playlist"
+msgstr "Wiedergabeliste"
+
+#: internal/gui/window.go:120
+msgid "Library"
+msgstr "Bibliothek"
+
+#: data/ui/connection-panel.ui:26
+msgid "Host"
+msgstr "Host"
+
+#: data/ui/connection-panel.ui:38
+msgid "Port"
+msgstr "Port"
+
+#: data/ui/connection-panel.ui:57
+msgid "Password"
+msgstr "Passwort"
+
+#: data/ui/cover-panel.ui:12 data/ui/shortcuts-dialog.ui:88
+msgid "Show the cover in fullscreen mode"
+msgstr "Das Cover im Vollbildmodus anzeigen"
+
+#: data/ui/library-panel.ui:33
+msgid "update library"
+msgstr "Die Bibliothek aktualisieren"
+
+#: data/ui/library-panel.ui:46
+msgid "Sort"
+msgstr "Sortierung"
+
+#: data/ui/library-panel.ui:51
+msgid "sort by artist"
+msgstr "nach Künstler"
+
+#: data/ui/library-panel.ui:58
+msgid "sort by title"
+msgstr "nach Titel"
+
+#: data/ui/library-panel.ui:65
+msgid "sort by year"
+msgstr "nach Jahr"
+
+#: data/ui/library-panel.ui:71
+msgid "sort by modification"
+msgstr "nach Änderungsdatum"
+
+#: data/ui/library-panel.ui:78
+msgid "sort library descending"
+msgstr "absteigend sortieren"
+
+#: data/ui/library-panel.ui:98 data/ui/shortcuts-dialog.ui:99
+msgid "Search the library"
+msgstr "Die Bibliothek durchsuchen"
+
+#: data/ui/library-panel.ui:111 data/ui/playlist-panel.ui:14
+msgid "Select multiple albums"
+msgstr "Mehrere Alben auswählen"
+
+#: data/ui/library-panel.ui:124
+msgid "Settings and actions"
+msgstr "Einstellungen und Aktionen"
+
+#: data/ui/library-panel.ui:149
+msgid "search library"
+msgstr "Bibliothek durchsuchen"
+
+#: data/ui/library-panel.ui:216 data/ui/playlist-panel.ui:69
+msgid "cancel"
+msgstr "abbrechen"
+
+#: data/ui/library-panel.ui:222 data/ui/library-panel.ui:277
+msgid "queue"
+msgstr "einreihen"
+
+#: data/ui/library-panel.ui:271 data/ui/playlist-panel.ui:123
+msgid "play"
+msgstr "abspielen"
+
+#: data/ui/playlist-panel.ui:27 data/ui/shortcuts-dialog.ui:77
+msgid "Clear the playlist"
+msgstr "Die Wiedergabeliste leeren"
+
+#: data/ui/playlist-panel.ui:75 data/ui/playlist-panel.ui:129
+msgid "remove"
+msgstr "entfernen"
+
+#: data/ui/server-panel.ui:35
+msgid "Status"
+msgstr "Status"
+
+#: data/ui/server-panel.ui:49
+msgid "File:"
+msgstr "Datei:"
+
+#: data/ui/server-panel.ui:60
+msgid "Audio:"
+msgstr "Audio:"
+
+#: data/ui/server-panel.ui:71
+msgid "Bitrate:"
+msgstr "Bitrate:"
+
+#: data/ui/server-panel.ui:82
+msgid "Error:"
+msgstr "Fehler:"
+
+#: data/ui/server-panel.ui:92 data/ui/server-panel.ui:106
+#: data/ui/server-panel.ui:120 data/ui/server-panel.ui:134
+msgid "<i>none</i>"
+msgstr "<i>nichts</i>"
+
+#: data/ui/server-panel.ui:154
+msgid "Statistics"
+msgstr "Statistiken"
+
+#: data/ui/server-panel.ui:178
+msgid "Artists"
+msgstr "Künstler"
+
+#: data/ui/server-panel.ui:198
+msgid "Albums"
+msgstr "Alben"
+
+#: data/ui/server-panel.ui:218
+msgid "Songs"
+msgstr "Songs"
+
+#: data/ui/server-panel.ui:238
+msgid "Seconds"
+msgstr "Sekunden"
+
+#: data/ui/server-panel.ui:267
+msgid "Seconds played"
+msgstr "Sekunden gespielt"
+
+#: data/ui/server-panel.ui:287
+msgid "Seconds running"
+msgstr "Sekunden laufend"
+
+#: data/ui/server-panel.ui:303
+msgid "Audio Devices"
+msgstr "Audiogeräte"
+
+#: data/ui/shortcuts-dialog.ui:14
+msgid "General"
+msgstr "Allgemein"
+
+#: data/ui/shortcuts-dialog.ui:18
+msgid "Switch to the Connection panel"
+msgstr "Zum Verbindungspaneel wechseln"
+
+#: data/ui/shortcuts-dialog.ui:24
+msgid "Switch to the Cover panel"
+msgstr "Zum Cover-Paneel wechseln"
+
+#: data/ui/shortcuts-dialog.ui:30
+msgid "Switch to the Playlist panel"
+msgstr "Zum Wiedergabelistenpaneel wechseln"
+
+#: data/ui/shortcuts-dialog.ui:36
+msgid "Switch to the Library panel"
+msgstr "Zum Bibliothekspaneel wechseln"
+
+#: data/ui/shortcuts-dialog.ui:42
+msgid "Show the keyboard shortcuts"
+msgstr "Die Tastenkombinationen anzeigen (dieser Dialog)"
+
+#: data/ui/shortcuts-dialog.ui:48
+msgid "Open the info dialog"
+msgstr "Den Infodialog öffnen"
+
+#: data/ui/shortcuts-dialog.ui:54
+msgid "Quit the application"
+msgstr "Die Anwendung beenden"
+
+#: data/ui/shortcuts-dialog.ui:61
+msgid "Player"
+msgstr "Wiedergabeprogramm"
+
+#: data/ui/shortcuts-dialog.ui:65
+msgid "Connect or disconnect"
+msgstr "Die Verbindung herstellen oder trennen"
+
+#: data/ui/shortcuts-dialog.ui:71 data/ui/window.ui:26
+msgid "Switch between play and pause"
+msgstr "Zwischen Abspielen und Pause wechseln"
+
+#: data/ui/shortcuts-dialog.ui:84
+msgid "Cover Panel"
+msgstr "Cover-Paneel"
+
+#: data/ui/shortcuts-dialog.ui:95
+msgid "Library Panel"
+msgstr "Bibliothekspaneel"
+
+#~ msgid "No service found"
+#~ msgstr "Keine Dienste gefunden"
+
+#~ msgid "use"
+#~ msgstr "verwenden"
+
+#~ msgid "Loading albums"
+#~ msgstr "Alben werden geladen"
+
+#~ msgid "Loading images"
+#~ msgstr "Bilder werden geladen"
+
+#, fuzzy
+#~ msgid "Connection state"
+#~ msgstr "Verbindung"
+
+#~ msgid "Title"
+#~ msgstr "Titel"
+
+#~ msgid "Artist"
+#~ msgstr "Künstler"
+
+#~ msgid "Enter hostname or IP address"
+#~ msgstr "Hostnamen oder IP-Adresse eingeben"
+
+#~ msgid "Enter password or leave blank"
+#~ msgstr "Passwort eingeben oder leer lassen"
+
+#~ msgid "Connect"
+#~ msgstr "Verbinden"
+
+#~ msgid "Play"
+#~ msgstr "Abspielen"
+
+#~ msgid "Clear Playlist"
+#~ msgstr "Playlist leeren"
+
+#~ msgid "Toggle Fullscreen"
+#~ msgstr "Vollbild wechseln"
+
+#~ msgid "Search Library"
+#~ msgstr "Bibliothek durchsuchen"
+
+#~ msgid "Connection"
+#~ msgstr "Verbindung"
+
+#~ msgid "Keyboard Shortcuts"
+#~ msgstr "Tastenkombinationen"
+
+#~ msgid "Info"
+#~ msgstr "Info"
+
+#~ msgid "Quit"
+#~ msgstr "Beenden"
+
+#~ msgid "Connect to MPD"
+#~ msgstr "Zu MPD verbinden"
+
+#~ msgid "Adjust the volume"
+#~ msgstr "Die Lautstärke anpassen"
+
+#~ msgid "Enter URL or local path"
+#~ msgstr "URL oder lokalen Pfad eingeben"
+
+#~ msgid "Image Directory:"
+#~ msgstr "Bildordner:"
+
+#~ msgid "{} of {} images loaded"
+#~ msgstr "{} von {} Bildern geladen"
+
+#~ msgid "Tracklist"
+#~ msgstr "Titelliste"
+
+#~ msgid "large tracklist"
+#~ msgstr "große Titelliste"
+
+#~ msgid "small tracklist"
+#~ msgstr "kleine Titelliste"
+
+#~ msgid "hide tracklist"
+#~ msgstr "gar keine Titelliste"
+
+#~ msgid "_Play"
+#~ msgstr "_Abspielen"
+
+#~ msgid "_Keyboard Shortcuts"
+#~ msgstr "Tastenkombinationen"
+
+#~ msgid "_Quit"
+#~ msgstr "_Beenden"
+
+#~ msgid "Show the keyboard shortcuts (this dialog)"
+#~ msgstr "Die Tastenkombinationen anzeigen (dieser Dialog)"
diff --git a/main.go b/main.go
index da29a2c..b5aa37f 100644
--- a/main.go
+++ b/main.go
@@ -1,4 +1,9 @@
 package main
 
+import (
+	"suruatoel.xyz/mcg/internal/i18n"
+)
+
 func main() {
+	i18n.Init("mcg", "locale")
 }
diff --git a/po/LINGUAS b/po/LINGUAS
index 3ae2b72..7673daa 100644
--- a/po/LINGUAS
+++ b/po/LINGUAS
@@ -1 +1 @@
-en de
+de
diff --git a/po/mcg.pot b/po/mcg.pot
index 451e0a8..f813837 100644
--- a/po/mcg.pot
+++ b/po/mcg.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: mcg\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-05-22 14:39+0200\n"
+"POT-Creation-Date: 2026-08-09 19:13+0200\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"
@@ -17,19 +17,47 @@ msgstr ""
 "Content-Type: text/plain; charset=CHARSET\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: data/ui/connection-panel.ui:29
-msgid "No service found"
+#: internal/common/album.go:93 internal/gui/coverpanel.go:290
+#, go-format
+msgid "%d:%d minutes"
 msgstr ""
 
-#: data/ui/connection-panel.ui:43
+#: internal/gui/application.go:108
+msgid ""
+"CoverGrid is a client for the Music Player Daemon, focusing on albums "
+"instead of single tracks."
+msgstr ""
+
+#: internal/gui/coverpanel.go:277
+#, go-format
+msgid "%s feat. %s"
+msgstr ""
+
+#: internal/gui/window.go:117
+msgid "Server"
+msgstr ""
+
+#: internal/gui/window.go:118
+msgid "Cover"
+msgstr ""
+
+#: internal/gui/window.go:119
+msgid "Playlist"
+msgstr ""
+
+#: internal/gui/window.go:120
+msgid "Library"
+msgstr ""
+
+#: data/ui/connection-panel.ui:26
 msgid "Host"
 msgstr ""
 
-#: data/ui/connection-panel.ui:56
+#: data/ui/connection-panel.ui:38
 msgid "Port"
 msgstr ""
 
-#: data/ui/connection-panel.ui:76
+#: data/ui/connection-panel.ui:57
 msgid "Password"
 msgstr ""
 
@@ -37,67 +65,67 @@ msgstr ""
 msgid "Show the cover in fullscreen mode"
 msgstr ""
 
-#: data/ui/library-panel.ui:34
+#: data/ui/library-panel.ui:33
 msgid "update library"
 msgstr ""
 
-#: data/ui/library-panel.ui:48
+#: data/ui/library-panel.ui:46
 msgid "Sort"
 msgstr ""
 
-#: data/ui/library-panel.ui:53
+#: data/ui/library-panel.ui:51
 msgid "sort by artist"
 msgstr ""
 
-#: data/ui/library-panel.ui:61
+#: data/ui/library-panel.ui:58
 msgid "sort by title"
 msgstr ""
 
-#: data/ui/library-panel.ui:69
+#: data/ui/library-panel.ui:65
 msgid "sort by year"
 msgstr ""
 
-#: data/ui/library-panel.ui:76
+#: data/ui/library-panel.ui:71
 msgid "sort by modification"
 msgstr ""
 
-#: data/ui/library-panel.ui:84
+#: data/ui/library-panel.ui:78
 msgid "sort library descending"
 msgstr ""
 
-#: data/ui/library-panel.ui:105 data/ui/shortcuts-dialog.ui:99
+#: data/ui/library-panel.ui:98 data/ui/shortcuts-dialog.ui:99
 msgid "Search the library"
 msgstr ""
 
-#: data/ui/library-panel.ui:121 data/ui/playlist-panel.ui:14
+#: data/ui/library-panel.ui:111 data/ui/playlist-panel.ui:14
 msgid "Select multiple albums"
 msgstr ""
 
-#: data/ui/library-panel.ui:135
+#: data/ui/library-panel.ui:124
 msgid "Settings and actions"
 msgstr ""
 
-#: data/ui/library-panel.ui:160
+#: data/ui/library-panel.ui:149
 msgid "search library"
 msgstr ""
 
-#: data/ui/library-panel.ui:263 data/ui/playlist-panel.ui:107
+#: data/ui/library-panel.ui:216 data/ui/playlist-panel.ui:69
 msgid "cancel"
 msgstr ""
 
-#: data/ui/library-panel.ui:270 data/ui/library-panel.ui:327
+#: data/ui/library-panel.ui:222 data/ui/library-panel.ui:277
 msgid "queue"
 msgstr ""
 
-#: data/ui/library-panel.ui:320 data/ui/playlist-panel.ui:163
+#: data/ui/library-panel.ui:271 data/ui/playlist-panel.ui:123
 msgid "play"
 msgstr ""
 
-#: data/ui/playlist-panel.ui:28 data/ui/shortcuts-dialog.ui:77
+#: data/ui/playlist-panel.ui:27 data/ui/shortcuts-dialog.ui:77
 msgid "Clear the playlist"
 msgstr ""
 
-#: data/ui/playlist-panel.ui:114 data/ui/playlist-panel.ui:170
+#: data/ui/playlist-panel.ui:75 data/ui/playlist-panel.ui:129
 msgid "remove"
 msgstr ""
 
@@ -198,7 +226,7 @@ msgstr ""
 msgid "Connect or disconnect"
 msgstr ""
 
-#: data/ui/shortcuts-dialog.ui:71 data/ui/window.ui:25
+#: data/ui/shortcuts-dialog.ui:71 data/ui/window.ui:26
 msgid "Switch between play and pause"
 msgstr ""
 
@@ -209,39 +237,3 @@ msgstr ""
 #: data/ui/shortcuts-dialog.ui:95
 msgid "Library Panel"
 msgstr ""
-
-#: src/connectionpanel.py:51
-msgid "use"
-msgstr ""
-
-#: src/librarypanel.py:291
-msgid "Loading albums"
-msgstr ""
-
-#: src/librarypanel.py:379
-msgid "Loading images"
-msgstr ""
-
-#: src/utils.py:50 src/utils.py:67
-msgid "{} feat. {}"
-msgstr ""
-
-#: src/utils.py:61
-msgid "{}:{} minutes"
-msgstr ""
-
-#: src/window.py:114
-msgid "Server"
-msgstr ""
-
-#: src/window.py:115
-msgid "Cover"
-msgstr ""
-
-#: src/window.py:116
-msgid "Playlist"
-msgstr ""
-
-#: src/window.py:117
-msgid "Library"
-msgstr ""