Subtitle Generator
Local Whisper speech recognition, exporting SRT / VTT / TXT. The model runs entirely in your browser — files never uploaded. First use downloads the model (cached automatically); GPU-accelerated via WebGPU when available.
Drop your file here
or click to browse
How it works
- 1
Choose a file
Audio or video — the file never leaves your device
- 2
Pick model & language
Use the panel on the right, or keep the defaults
- 3
Transcribe locally
Whisper runs in your browser — keep this tab in the foreground for long audio
- 4
Export or burn in
Export SRT / VTT / TXT / ASS, or burn in as hardsubs
Supports MP3 / WAV / M4A / FLAC / OGG / MP4 / WebM / MOV · up to 2 hours on desktop
Local Whisper · files never uploaded · model cached by your browser