Convert M4A to MP3
Convert M4A files to MP3 in seconds. Free, no upload, no watermark. Trim, compress or edit before you convert.
or drag & drop videos, audio or images here, or paste with Ctrl+V
MP4 · MOV · MKV · AVI · WebM · WMV · FLV · GIF · MP3 · WAV · M4A · and 40+ more
- Files never leave your device
- No sign-up, no watermark
- Free forever
How to convert M4A to MP3
- Add your M4A fileClick “Choose files” or drag & drop your M4A file onto the page.
- Check the outputMP3 is pre-selected. Optionally trim, crop, compress or tweak quality in the tabs.
- Convert & downloadClick “Convert & download”. Your MP3 file is created on your device and saved instantly.
M4A vs MP3
Short answer: MP3 is the universal audio format. Every music player, car stereo and phone can play it.
What is M4A?
M4A is AAC audio in an MP4 container. It sounds better than MP3 at the same size and is the default on Apple devices.
What is MP3?
MP3 is the universal audio format. Every music player, car stereo and phone can play it.
Quality
MP3 is a compressed format. Choose a higher bitrate (192–320 kb/s) in the Audio settings for the best quality.
| M4A | MP3 | |
|---|---|---|
| Full name | MPEG-4 Audio | MPEG-1 Audio Layer III |
| Type | audio | audio |
| Best for | iPhone, iTunes and high-quality compressed audio | Music, podcasts and maximum compatibility |
| MIME type | audio/mp4 | audio/mpeg |
Last updated 2026-11-13
M4A to MP3: FAQ
Is this M4A to MP3 converter free?
Yes. Converting M4A to MP3 is completely free with no watermark, no sign-up and no file limits beyond what your device can handle. Optional Pro features like 4K export and AI subtitles are available if you need them, and a single 4K export can be unlocked without a subscription.
Are my M4A files uploaded to a server?
No, never. The conversion runs entirely in your web browser using FFmpeg compiled to WebAssembly. Your M4A file never leaves your computer or phone, and we never store it, which makes it private and fast.
Will I lose quality converting M4A to MP3?
MP3 is a compressed format. Choose a higher bitrate (192–320 kb/s) in the Audio settings for the best quality.
How do I convert M4A to MP3 on iPhone or Android?
Open this page in Safari or Chrome on your phone, tap “Choose files”, pick your M4A file and tap “Convert & download”. No app install needed.
Can I convert multiple M4A files to MP3 at once?
Yes. Select several files and click “Convert all”. You can download them one by one or as a ZIP. Free users can batch-convert up to 5 files at a time; Pro removes the limit.
Can I edit the M4A before converting?
Yes: trim, cut, crop, rotate, resize, change speed, adjust colour, add text, music or subtitles, and more, all before you export to MP3.