M4A to AIFF
Convert M4A files to AIFF in seconds, for free. Nothing to install.
Files are deleted from the server automatically after 1 h.
Why convert M4A to AIFF?
- AIFF stores data without loss, so further edits will not degrade quality.
- AIFF keeps studio quality without compression artifacts — for editing and archiving.
You don't need to install any software to convert M4A to AIFF. Upload your file, choose AIFF and download the result a few seconds later. The conversion runs on our servers and your file is deleted automatically after 1 h.
M4A vs AIFF: comparison
| Feature | M4AMPEG-4 Audio (AAC) | AIFFAudio Interchange File Format |
|---|---|---|
| Developer | Apple / MPEG | Apple |
| Released | 2003 | 1988 |
| Type | audio | audio |
| Compression | lossy | uncompressed |
| Opens with | iTunes / Apple Music, VLC, Windows Media Player | iTunes / Apple Music, QuickTime, Logic Pro, VLC |
Tip: choose the bitrate. 128 kbps is enough for speech; 320 kbps is the best quality for music.
How it works
- Choose or drop your M4A file.
- Pick AIFF as the output format.
- Click “Convert” and download your file.
M4A to AIFF: questions and answers
Will quality be lost when converting M4A to AIFF?
No. AIFF stores data without loss, so the result matches the original.
How long does M4A to AIFF conversion take?
It depends on the length: a short file takes a few seconds, a long video can take a few minutes. Progress is shown as a percentage.
What is the maximum M4A file size?
Up to 200 MB per file and up to 20 files at once — for free.
Can I convert M4A to AIFF on my phone?
Yes. TezConvert works in any browser on Android and iPhone — no app needed.
How do I open a AIFF file?
AIFF files open in: iTunes / Apple Music, QuickTime, Logic Pro, VLC.
Are my files safe?
Files are used only for the conversion, never shown to anyone, and deleted automatically after 1 h. The original is deleted right after conversion.
⇄ Need the opposite? Convert AIFF to M4A →