Learn a language from videos in that language: downloads with yt-dlp, transcribes on your computer with whisper.cpp, translates each line and plays bilingual subtitles.
Turn a YouTube video or a local file into a subtitled video on your own computer, and keep the Chinese and English subtitles, transcripts, and vocabulary so you can study with the picture.
Free video player for learning Japanese, Mandarin, Cantonese and Vietnamese from what you watch. Click any subtitle word for its reading and offline dictionary meaning. Plays local files and YouTube, with dual subtitles, karaoke lyrics and Anki export.
Subtitle any video without uploading it. Whisper, translation, styling and burn-in — all local, in the browser, on the desktop, or from the command line.
