M4A to MP3 converter

Convert Apple M4A / AAC audio to universal MP3 — ideal for voice memos and iTunes exports. Requires FFmpeg on the server. Free, no registration.

M4A in MP3 out HTTPS

Drop your M4A here

or browse — up to 50 MB • M4A only • FFmpeg on server

Choose M4A file

Drag and drop or pick an .m4a file — up to 50 MB.

We encode to MP3 at 192 kbps with LAME via FFmpeg.

Save the MP3 for any player or editor.

Open AAC containers to the most compatible format.

MP3 works on older devices and apps that reject M4A.

Turn iPhone voice memos or AAC tracks into shareable MP3.

Convert in the browser when FFmpeg is on the server.

Extract audio from video? Try MP4 to MP3.