Which settings?
| Use | Setting |
|---|---|
| Music | MP3 192–320 kbps, stereo |
| Podcasts, voice notes | MP3 128 kbps, mono |
| Speech recognition / transcription | WAV 16 kHz mono |
| Editing, archiving | WAV (lossless) |
Frequently asked questions
Can I convert to M4A or OGG?
This tool outputs the two most compatible formats, MP3 and WAV.
Does converting MP3 to WAV improve quality?
No — it becomes lossless from that point, but detail lost by the MP3 cannot come back.
Are files uploaded?
No.

