M4A Converter

Convert M4A (MPEG-4 audio (M4A)) files online, for free, with nothing to install.

M4A is audio (usually AAC or Apple Lossless) in an MP4 file, the format of iTunes, Apple Music and iPhone voice memos. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost. M4A files can be saved as AAC, AIFF, FLAC, MP3, WAV, WMA, on our server.

What is an M4A file?

M4A – MPEG-4 audio (M4A). M4A is audio (usually AAC or Apple Lossless) in an MP4 file, the format of iTunes, Apple Music and iPhone voice memos. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost.

How to convert an M4A file

  1. Click Select File, or drop your .m4a files anywhere on this page.
  2. Pick the format you want next to each file, for example AAC.
  3. Click Convert, then Download when it's done.

M4A at a glance

M4A
LayoutA stream of sound
EditableIn audio editors
Created byApple, 2001
Best forMusic in iTunes and on iPhones

Frequently asked questions

What is an M4A file?

M4A is audio (usually AAC or Apple Lossless) in an MP4 file, the format of iTunes, Apple Music and iPhone voice memos. Converting makes a new file: the sound is decoded and written again, so converting from a lossy format never brings back what was lost.

How do I open an M4A file?

Most media players open M4A files: VLC plays almost every audio format, and the player on your phone or computer handles the common ones. To read it anywhere, convert it to MP3 here.

Is converting M4A files free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my M4A files uploaded anywhere?

This conversion runs on our server, because converting audio needs ffmpeg, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.

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