diff --git a/i18n/cs.json b/i18n/cs.json
new file mode 100644
index 00000000..ebe4c910
--- /dev/null
+++ b/i18n/cs.json
@@ -0,0 +1,26 @@
+{
+	"ext-uls-display-settings-title": "Nastaven\u00ed zobrazen\u00ed",
+	"ext-uls-display-settings-title-short": "Zobrazen\u00ed",
+	"ext-uls-display-settings-desc": "Nastavit jazyk pou\u017e\u00edvan\u00fd pro menu a p\u00edsma.",
+	"ext-uls-undo-language-tooltip-text": "Jazyk zm\u011bn\u011bn z $1",
+	"ext-uls-language-settings-title": "Jazykov\u00e1 nastaven\u00ed",
+	"ext-uls-language-settings-apply": "Pou\u017e\u00edt nastaven\u00ed",
+	"ext-uls-language-settings-cancel": "Storno",
+	"ext-uls-display-settings-font-settings": "Nastaven\u00ed p\u00edsem",
+	"ext-uls-display-settings-ui-language": "Zobrazovan\u00fd jazyk",
+	"ext-uls-webfonts-settings-title": "V p\u0159\u00edpad\u011b pot\u0159eby st\u00e1hnout p\u00edsmo",
+	"ext-uls-webfonts-settings-info": "Pro zobrazen\u00ed textu ve zvl\u00e1\u0161tn\u00edch p\u00edsmech se st\u00e1hnou webov\u00e1 p\u00edsma.",
+	"ext-uls-webfonts-settings-info-link": "V\u00edce informac\u00ed",
+	"ext-uls-webfonts-select-for": "Vyberte p\u00edsmo pro jazyk $1",
+	"ext-uls-webfonts-select-for-ui-info": "P\u00edsmo pou\u017e\u00edvan\u00e9 pro u\u017eivatelsk\u00e9 rozhran\u00ed",
+	"ext-uls-webfonts-select-for-content-info": "P\u00edsmo pou\u017e\u00edvan\u00e9 pro obsah",
+	"ext-uls-back-to-display-settings": "Zp\u011bt na nastaven\u00ed zobrazen\u00ed",
+	"ext-uls-input-settings-title": "Nastaven\u00ed vstupu",
+	"ext-uls-input-settings-title-short": "Vstup",
+	"ext-uls-input-settings-desc": "P\u00ed\u0161ete jin\u00fdm jazykem?",
+	"@metadata": {
+		"authors": [
+			"Mormegil"
+		]
+	}
+}
\ No newline at end of file