Audio converter: OPUS, M4A, WAV, OGG and FLAC to MP3

Turn voice notes and recordings into MP3 (or M4A, WAV, OGG, FLAC) that play everywhere. The file is converted on your device and never uploaded.

Runs in your browser Free No sign-up
  1. Choose file
  2. Set options
  3. Get result

Your file never leaves your device. Processed locally in your browser. Nothing is uploaded.

WhatsApp voice notes

Exported WhatsApp audio comes as .opus or .ogg files, which many players and editors can't open. Drop the file here and download an MP3.

Choosing a format

MP3 is the safest choice for any device. M4A (AAC) sounds a bit better at the same size. WAV and FLAC are lossless, so use them for editing; FLAC is about half the size of WAV.

Frequently asked questions

Can I convert video files too?

Yes, the audio track is extracted. For videos, Video to MP3 has more options.

Does converting to MP3 improve quality?

No. Converting can keep quality but never improve it; 192 kbps is plenty for voice and most music.