Video and audio tools
M4A to MP3
Convert an M4A audio file into a real MP3 file in your browser, encoded at 128 kb/s.
Files you choose stay on your device — they are not uploaded to Tools99.
Workspace: 1. Add files2. Ready3. Working4. Done — download
How this workspace works
- Choose an M4A file.
- Convert it in your browser.
- Download the MP3 and play it to confirm it sounds right.
Turns an M4A audio file into a real MP3 (128 kb/s) that plays on devices without M4A support.
Your file never left this device, so there is no server copy to delete. Download again, start over, or continue with a related tool below.
How to use M4A to MP3
- Choose an M4A file.
- Convert it in your browser.
- Download the MP3 and play it to confirm it sounds right.
A good use for this
Playing an M4A recording on a device or app that does not support M4A.
Limits
The MP3 is encoded at 128 kb/s with the LAME encoder. If your browser cannot decode the M4A's codec, the tool fails with a plain error instead of a fake download.