MP3 is lossy, but at 192 kbps or higher the difference is hard to notice.

M4A to MP3

Convert M4A audio to portable MP3.

Loading tool…

About M4A to MP3

Convert M4A files to MP3 at the bitrate you choose. Everything is processed on your device.

Open the M4A to MP3 tool and add your file — it's processed in your browser, never uploaded.
Adjust the available options to get the result you want.
Download the result. There's no sign-up, no watermark, and no size cap.

Will quality drop?: MP3 is lossy, but at 192 kbps or higher the difference is hard to notice.

Other private, in-browser tools you might need.

Convert audio files to MP3 — private, in your browser.

Convert compressed audio to uncompressed WAV.

Compress bulky WAV files into portable MP3s.

Convert OGG audio to portable MP3.