Does my audio leave my device?

No. Your audio is processed in your browser, on your device, so even long recordings start right away.

Is there a size limit?

No limits from us. Recordings of several hours need more memory and time; phones manage shorter files best.

Yes. Once the page and the audio engine have loaded, it keeps working without an internet connection.

Make audio files smaller for messages, email and uploads. Pick a quality or a target size.

Drop audio files to compress themor paste with ⌘V. Your files stay on your device.

MP3WAVM4AFLACOGG

Does my audio leave my device?: No. Your audio is processed in your browser, on your device, so even long recordings start right away.
Is there a size limit?: No limits from us. Recordings of several hours need more memory and time; phones manage shorter files best.
Does it work offline?: Yes. Once the page and the audio engine have loaded, it keeps working without an internet connection.

Ready-made settings for common jobs.

More ways to work with audio.

MP3, WAV, M4A, FLAC

MP4, MOV to MP3

Keep the part you need

Louder or quieter

Many files, one track