Convert MP3 to M4A for iTunes and Apple Ecosystem

Convert your MPEG Audio Layer III files to MPEG-4 Audio online for free. MP3 uses lossy compression — not ideal as an editing master or for audiophile playback — M4A solves that. No registration, no watermarks, instant download.

Drag & drop your file here, or

Max 100 MB • Max 10 min duration • Max 1080p

How to Convert MP3 to M4A — 3 Steps

FFmpeg transcodes your MP3 file to MPEG-4 Audio — itunes and apple ecosystem.

  1. Upload your MP3 file

    Select your MP3 file from music downloads. Files up to 100 MB are accepted.

  2. Confirm and convert

    Confirm you own the file and click Convert to M4A. Processing typically completes in seconds.

  3. Download your M4A file

    Download your M4A immediately — ready to itunes and the music app on mac store and play m4a natively.

Why Convert MP3 to M4A?

MP3 (MPEG Audio Layer III) uses lossy compression — not ideal as an editing master or for audiophile playback. Converting to M4A gives you itunes and iphone.

iTunesiTunes and the Music app on Mac store and play M4A natively
iPhoneiPhone, iPad, and all iOS devices support M4A without conversion
Better qualityM4A (AAC) sounds better than MP3 at the same bitrate
Smaller filesM4A produces smaller files than MP3 at the same perceived quality
Apple WatchSyncing music to Apple Watch requires M4A or MP3 format
QuickTimeQuickTime Player opens M4A files natively on any Mac

Frequently Asked Questions

Why convert MP3 to M4A?

MP3 (MPEG Audio Layer III) uses lossy compression — not ideal as an editing master or for audiophile playback. Converting to M4A gives you itunes and the music app on mac store and play m4a natively.

Will converting MP3 to M4A reduce audio quality?

Both MP3 and M4A use lossy compression. Each conversion involves a small quality reduction. We use high-quality encode settings to minimise the impact. Keep your original MP3 if you need to convert again.

What MP3 files are supported as input?

You can upload MP3 files from music downloads, podcast exports, audio extractors, and CD rips. Files must be under 100 MB.

What are the best uses for M4A format?

M4A (MPEG-4 Audio) is ideal for: itunes and the music app on mac store and play m4a natively; iphone, ipad, and all ios devices support m4a without conversion; m4a (aac) sounds better than mp3 at the same bitrate.

Is my audio file kept private?

Yes. Files are processed privately and automatically deleted within 60 minutes. We never store, sell, or analyse your content.