Subwtf

sub.wtf — Instant subtitles for any video

Discover and understand videos from around the world effortlessly.
sub.wtf helps you break language barriers by automatically detecting HTML5 videos on websites and overlaying accurate subtitles (SRT files) — so you can enjoy and learn from content across different cultures and languages.

Key features
• Auto-detect videos on supported websites — no setup required
• Auto-load matching subtitles from our curated subtitle library
• Upload your own SRT files to sync with any video
• Explore world media and understand stories in every language
• Lightweight & privacy-friendly — all subtitles load locally in your browser

Whether users are studying a new language, exploring foreign media, or just trying to understand dialogue, sub.wtf makes videos more accessible and enjoyable.