M4A Converter
The AAC container iPhones use for music, podcasts and voice memos.
M4A files · up to 50 MB each · 100 MB with a free account
| File name | Size | Convert to |
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Checking files and selected output formats.
When M4A is the right output
M4A is Apple's container for AAC-encoded audio, the format iTunes / Apple Music uses natively. AAC produces better quality than MP3 at the same bitrate (128 kbps AAC ≈ 192 kbps MP3). Convert to M4A when your destination is the Apple ecosystem (iTunes library, Apple Music sync, GarageBand, iMovie) or when file-size-per-quality matters more than universal compatibility.
How to convert M4A files online
Convert Apple M4A audio to universal formats, or convert other audio to M4A for iTunes and Apple Music.
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1
Upload your M4A audio
Drag and drop M4A files from Apple Music, iTunes purchases, Voice Memos, or GarageBand exports. Both AAC-encoded and ALAC (Apple Lossless) M4A files are supported.
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2
Pick your target format
Select MP3 for playback on every device including older car stereos, WAV for DAW editing, FLAC for cross-platform lossless archival, or OGG for gaming and open-source use. ALAC to FLAC is a bit-perfect lossless conversion.
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3
Download converted audio
Download your audio files with iTunes metadata, artwork, and chapter markers preserved where supported. M4A to MP3 conversion means playback on devices that lack Apple codec support.
Audio Format Comparison
Choose the right output format when converting M4A audio files.
| Format | Quality | File size | Compatibility | Best For |
|---|---|---|---|---|
| MP3 | Lossy | Small | Universal | Music, podcasts, everyday playback |
| AAC | Lossy | Small | Apple, most devices | iPhone, iTunes, streaming |
| FLAC | Lossless | Large | Most players | Archiving, audiophile quality |
| WAV | Lossless | Very large | Universal | Audio editing, professional use |
| OGG | Lossy | Small | Web, Linux, games | Open-source apps, web audio |
| M4A | Lossy (AAC) | Small | Apple, most players | iTunes, Apple Music library |
Reasons to convert M4A Audio
Some older Android phones, car stereos, and budget audio players do not support M4A. Convert M4A to MP3 for the most universally compatible audio format that plays on every device ever made.
ALAC (Apple Lossless) M4A files only play in Apple software. Convert ALAC M4A to FLAC for cross-platform lossless audio that works in foobar2000, VLC, MusicBee, and every audiophile player.
Professional audio workstations prefer WAV or AIFF for editing. Convert M4A to WAV for guaranteed compatibility with Pro Tools, Logic Pro, Ableton, and every recording studio workflow.
Many podcast directories and radio automation systems require MP3. Convert M4A podcast episodes to MP3 for the widest distribution compatibility across Apple Podcasts, Spotify, and RSS feeds.
Linux-based systems and open-source music players sometimes lack AAC codec support. Convert M4A to OGG Vorbis or FLAC for native playback without proprietary codec installations.
Convert M4A audio online, no desktop apps, no plugins. Files up to 100 MB are always free, and files are deleted from our servers within 1 hour.