Free Windows desktop app. Language packs can be downloaded below or from Settings → Language in the app.
English is bundled with the app. Download any other official pack as JSON and import it in Settings → Language, or let the app fetch it from the catalog.
Download a blank template with every app string key. Translate the values, keep the keys unchanged, then load the file in Settings → Language → Load community language pack.
Download blank community template
Empty values fall back to English in the app. Fill only the strings you want to change.