WhatsApp voice notes are Opus in an OGG file; they convert the same way.

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.

Turn OGG and Opus files, like WhatsApp voice messages, into MP3.

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

MP3WAVM4AFLACOGGAACMP4

Good to know: WhatsApp voice notes are Opus in an OGG file; they convert the same way.
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.

Ready-made settings for common jobs.

More ways to work with audio.

Smaller files, set size

MP4, MOV to MP3

Keep the part you need

Louder or quieter

Many files, one track