Upload audio in any language. Get synchronized subtitles, translations, and vocabulary — ready to study in seconds.
Three steps from raw audio to interactive learning
Drop an audio file, paste a YouTube link, or point to any public audio source. We handle the rest.
AI transcribes, translates, and extracts vocabulary from your audio in seconds. Context-aware, segment by segment.
Get a shareable link with a full interactive player — dual subtitles, loop mode, shadowing, vocabulary panel, and more.
Try these real examples — click to open the player
The SubSync player is packed with features to help you learn effectively
Toggle source and translation subtitles on or off. Listen only, read along, or combine both — your choice.
Loop any phrase until you've got it. Automatic pause between loops for practice.
Listen, then repeat. Auto-pauses with the right timing for you to shadow the speaker.
Pauses after each phrase so you can study the subtitles at your own pace.
Advanced vocabulary (B2/C1/C2) extracted from each segment — with translations and blur-to-reveal.
Hides key words in subtitles for active recall. Click to reveal. Targets vocab words first.
Read the entire transcript in source or translated language before playing. Great for pre-study context.
Download vocab or transcript as CSV. Import into Anki or any flashcard app.
Every transcript gets a clean URL. Share with classmates, teachers, or study groups.