audio2av1

Audio in → black AV1 video, CPU-encoded with libaom. Defaults: 640×480, 1 fps, yuv420p, with audio copied without re-encoding. Zipped, server-side.

Drop audio files here

File Status Remove
No departures — add audio files above.
The server adds a black libaom-AV1 track with ffmpeg and copies the first audio stream by default; servers can optionally re-encode audio to Opus. Playback depends on your player and codec support. Install this page as an app to share files from supported browsers, or use the file picker. Check the downloaded zip for _failed.txt if any files could not be converted.