wordwave — Auto Caption Maker
Turn video speech into editable captions and export timed subtitle files.

Technology stack
Astro / TypeScript / Tailwind CSS / Whisper / ONNX Runtime / FFmpeg WASM
Transcribes speech into timed caption segments for review and editing.
Exports subtitles as SRT or VTT while keeping media processing on the device.
Behind this project
The Pyvi Toolkit: Video, Audio, and Subtitle Tools in Your Browser
Follow a practical media workflow through sixteen browser tools, then inspect worker lifecycles, compression tradeoffs, local inference, and task completion.