Loading...
Loading...
Cookie Settings
Butterfluent uses Google Analytics and PostHog to measure pageviews and product usage. The Google tag loads with privacy-focused consent defaults set to denied, and full analytics cookies and detailed measurement only start after you choose Accept Analytics. PostHog stays off until you opt in. Rejecting analytics does not affect sign-in, lessons, payments, or other core features.
Details are in the Privacy Policy.
Learn German with YouTube
YouTube has millions of German videos — podcasts, news, vlogs, grammar lessons. Butterfluent turns any of them into an interactive German lesson. Paste the URL, get dual subtitles, and click any word to understand it immediately.
or
Paste any YouTube URL into Butterfluent. The web app generates German subtitles in seconds — even for videos with no existing captions.
Watch with dual subtitles (German + English) that are fully synced to the video. No setup, no manual alignment.
Click any German word to get instant translation, noun gender, verb tense, and grammar context. Save words to review later.
Explore more