M4A to MP3 Converter

Convert M4A to MP3 online for free

This M4A to MP3 converter changes M4A audio files into MP3, the format that plays on practically every device. M4A is common on Apple devices: iPhone voice memos are saved as M4A, and songs bought from iTunes or Apple Music downloads often use it too. The trouble starts when you want to play that file somewhere else – an older car stereo, a basic MP3 player, a Windows program or a website that only accepts MP3. Converting M4A to MP3 fixes that.

The conversion runs in your browser on your own phone or computer. Your file is never uploaded, which matters when the recording is a private voice note, an interview or a lecture.

How to convert M4A to MP3

1. Click Choose file or drag and drop your .m4a file onto the box at the top of this page.
2. Choose an MP3 bitrate: 128, 192 or 320 kbps. Leave it on 192 kbps if you are not sure.
3. Press Start. The progress bar shows the conversion as it runs.
4. Click Download to save the MP3. The page shows the file size before and after.

Have more files? Press Convert another file. It is free, with no sign-up, no watermark and no daily limit.

How to convert iPhone voice memos to MP3

Voice memos are the most common reason people need to change M4A to MP3. Here is how to do it directly on your iPhone:

1. Open the Voice Memos app, tap the memo, then use the share option and choose Save to Files.
2. Open this page in Safari and tap Choose file.
3. Pick the memo from the Files app, choose 128 kbps (ideal for speech) and press Start.
4. Download the MP3 and share it by email, chat or cloud storage.

The MP3 opens on Windows PCs and Android phones without any special app, which makes it easy to send a recorded meeting, lecture or interview to someone who does not use an iPhone. You can do the same on a Mac: voice memos sync there too, so save a memo from the Voice Memos app as a file and drop it onto this page.

How to convert M4A to MP3 on Windows, Mac and Android

There is nothing to download. On Windows, open this page in Edge, Chrome or Firefox. On a Mac, use Safari, Chrome or Firefox. On Android, use Chrome. The steps are identical on every device. Phones convert more slowly than laptops because the work happens on the device, and very large files (roughly over 1.5 GB) may be slow or fail on phones – but typical M4A songs and memos are far smaller than that.

iTunes and Apple Music files: what can be converted?

Only DRM-free M4A files can be converted. Songs bought from the iTunes Store in recent years are usually DRM-free and convert without problems, as do M4A files you created yourself, for example by ripping your own CDs. Older protected purchases and tracks downloaded through a music subscription are locked to their app, so the browser cannot read them and they cannot be converted here.

M4A vs MP3

M4A is simply an audio file in the MP4 family, usually holding AAC sound. AAC is efficient and sounds good, but not every player, car system or older program understands it. MP3 is older and slightly less efficient, yet it is still the format that works everywhere, which is why converting M4A to MP3 remains so popular.

Common reasons to change M4A to MP3

• Sharing with non-Apple users. Friends and colleagues on Windows or Android can open an MP3 without extra apps.
• Car stereos and USB sticks. Many car systems and simple players read MP3 but skip M4A files.
• Upload forms. Some websites, course portals and job applications only accept MP3 audio.
• Audio editing. Some older editors and tools import MP3 more reliably than M4A.
• Transcription. Many transcription services prefer MP3 files for interviews and meetings.

Which MP3 bitrate should you pick?

• 128 kbps – voice memos, lectures, interviews. Small files with clear speech.
• 192 kbps – the default, good for most music.
• 320 kbps – the highest MP3 quality, best for music you care about.

Converting cannot add quality that was not in the source. A voice memo saved at 320 kbps will not sound better than at 128 kbps – it will just be a bigger file.

Related audio tools

Want a ringtone from your converted song? Trim it to about 30 seconds with the MP3 cutter. For uncompressed recordings, use the WAV to MP3 converter. If your recording is a video instead of an audio file, the video to MP3 converter extracts the sound, andMOV to MP4 makes iPhone videos play on Windows and Android.

Please only convert audio you own or have the right to use.