Rootbly - AI Subtitle

Watch foreign YouTube videos with translated subtitles. RootblySub auto-translates YouTube subtitles into your language. Just paste a URL, and AI generates subtitles you can watch instantly in our built-in player. ◆ CORE FEATURES • AI Subtitle Translation — 15 languages including English, Korean, Japanese, Chinese, Spanish, French, and more • Built-in Video Player — Translated subtitles displayed in real-time over the video • Subtitle Sync Control — Manual offset adjustment within ±5 seconds • Subtitle Size Settings — Small/Medium/Large presets with fine-grained control • Original Text Toggle — View translation alongside or without the original ◆ YOUTUBE BROWSING • YouTube Search — Find videos directly within the app • Channel Browser — Explore videos, Shorts, playlists, and live streams • Channel Favorites — Save channels you watch frequently • Clipboard Detection — Auto-detect copied YouTube URLs ◆ TRANSLATION JOB MANAGEMENT • Real-time Progress — Track each stage: downloading → transcribing → translating • Push Notifications — Get notified the moment translation is complete • Job History — Manage all your translation requests in one place ◆ CONVENIENCE • Sign in with Google / Apple or use Guest mode • YouTube Premium integration for ad-free viewing • Korean & English UI • Fullscreen landscape mode Enjoy YouTube content from around the world — no language barriers. Terms of Use: https://rootblysub.rootbly.com/terms Privacy Policy: https://rootblysub.rootbly.com/privacy ---