Subtitle Studio
Drop an audio or video file, transcribe it with Whisper running on your own device, then fix the wording and timings and export SRT, WebVTT, plain text or JSON. The media, the model and the transcript all stay in this browser — nothing is uploaded.
Drop audio or video
MP3, WAV, M4A, OGG, FLAC, WebM, MP4 and MOV. Whisper downloads once, then transcribes locally — your file never leaves this device.
Captions 0 segments
Click a row to jump the player there. Edit the text in place, retype a time as mm:ss.mmm, or put the cursor where a caption should break and press Split.
No captions yet. Transcribe the file, or add a segment and type it yourself.