YouTube Auto Subtitle Translator PRO

Automatically translate YouTube subtitles into 65+ languages using YouTube's native caption engine. Clean, fast, ad-aware.

Stop clicking Settings → Subtitles → Auto-translate → Scrolling through dozens of languages on every single YouTube video. YouTube Auto Subtitle Translator PRO sets your preferred subtitle language once and automatically translates captions on every video, playlist, and live stream you watch — powered directly by YouTube's built-in caption engine for zero flicker and native playback performance. ✨ WHAT MAKES v25 DIFFERENT • Set Once, Watch Anywhere Pick your target language once. Every video with manual captions or auto-generated speech recognition automatically switches to your language the moment playback starts. • 70+ Global Languages with Instant Search & Pinned Chips Switch between English, Spanish, French, German, Portuguese, Simplified & Traditional Chinese, Japanese, Korean, Arabic, Hindi, Turkish, Russian, Vietnamese, Indonesian, and 55+ more languages in one click using pinned quick-chips or instant search. • Self-Healing Language Lock Prevents YouTube's player from reverting to stale or sticky subtitle languages across tabs and playlists, and automatically resolves regional track codes (such as en-US, es-419, pt-BR, zh-Hans, and zh-Hant). • Smart Human-Caption Priority & Foreign-Only Mode – Prefer Creator's Human Captions: Automatically uses high-quality human-authored subtitles when a video already includes a native track in your language. – Foreign-Language Videos Only (Optional): Keep captions hidden when a video's spoken audio already matches your native language, and auto-translate only foreign-language videos. • Cinema-Grade Subtitle Styling Customize how subtitles appear on screen with a live preview: – Text Size: Default, Medium, Large, or Extra Large – Backdrops: YouTube Native, Frosted Glass, High-Contrast Cinema, or Clean Theater Outline – Vertical Lift: Raise captions cleanly above YouTube's timeline scrub bar and chapter titles • Built for Real Viewing Habits – Per-Video Pause: Tap YouTube's CC button, press the "C" shortcut, or click Pause in the popup to mute subtitles for the current video only — translation resumes automatically on the next video. – Force Re-Sync Button: Clear stuck player caption caches in a single click. – Ad-Aware Playback: Detects pre-roll and mid-roll ads automatically and applies your subtitle language as soon as the main video resumes. 🎁 FREE TRIAL & OPTIONAL PRO UPGRADE • 25 Full Videos Free: Try every feature, language, and custom cinema style across your first 25 translated videos — no account or credit card required. • Optional PRO Subscription: Unlock unlimited videos with flexible Monthly ($2.99/mo) or Annual ($14.99/yr — Save 58%) plans powered securely by Stripe, complete with one-click self-service billing management and email key recovery. 🔒 PRIVACY-FIRST BY DESIGN • Minimal permissions — never reads your general browsing history. • All caption rendering and translation happen directly inside YouTube's native video player in your browser. • Zero analytics scripts, zero ad trackers, and zero selling of user data. Note: Subtitle translation requires the video to have at least one underlying caption track (creator-uploaded or YouTube auto-generated). YouTube is a trademark of Google LLC; this extension is an independent tool and is not affiliated with or endorsed by Google LLC or YouTube.