audio2av1

Audio in → a 640×360, 15 fps waveform video around your untouched audio stream. Zipped, server-side.

Drop audio files here

File Status Remove
No departures — add audio files above.
The server wraps each file with ffmpeg: a black libaom-AV1 track is added and your audio stream is copied bit-for-bit, never re-encoded. Install this page as an app to send files to it straight from the share sheet.