Convert M4A to AIFF
Free and instant — your M4A files are processed securely on our servers and deleted right after conversion. Nothing is stored.
How to convert M4A to AIFF
- Step 01
Add your M4A files
Drop them into the box above or click to browse. You can add several files at once.
- Step 02
Conversion starts instantly
Your file is sent to our servers, converted and deleted right away — no sign-up, no queue, no waiting.
- Step 03
Download your AIFF files
Save each file individually or grab them all at once. Done.
Why convert M4A to AIFF?
Need your M4A in AIFF? Converting wraps the existing audio into AIFF — it won't restore detail M4A's compression already discarded, but the file will work anywhere AIFF is expected.
M4A vs AIFF at a glance
M4A is AAC audio in an MPEG-4 container — the format used by iTunes and Apple Music, same quality as AAC with slightly better metadata support. AIFF is Apple's uncompressed audio format — the Mac equivalent of WAV, lossless and studio-standard but with much less support outside professional audio software.
| Property | M4A | AIFF |
|---|---|---|
| Extension | .m4a | .aiff, .aif |
| Full name | MPEG-4 Audio | Audio Interchange File Format |
| First released | 2001 | 1988 |
| Developed by | Apple / ISO | Apple |
| Compression | Lossy | Lossless |
| Transparency | No | No |
| Animation | No | No |
| Best for | music purchased or downloaded from Apple services | professional audio production and archiving on macOS |
M4A to AIFF — frequently asked questions
Is this M4A to AIFF converter really free?
Yes — completely free, with no sign-up, no watermarks and no daily limits.
Will converting M4A to AIFF lose quality?
No. AIFF is a lossless format, so the converted file keeps every pixel exactly as decoded from your M4A.
Is the conversion private?
Audio conversion runs on our servers with ffmpeg — your file is deleted immediately and never stored.
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