Convert M4A to AIFF — lossless, so expect larger files
Free and unlimited, and nothing is uploaded: it all runs in your own browser. Open Audio Converter
What changes when you convert M4A to AIFF
- M4A audio is lossy and AIFF audio is lossless: converting cannot restore detail the source already discarded, and the AIFF audio file will usually be larger than the original.
How to convert M4A to AIFF
- Add your M4A file — drag it onto the page or choose it. It stays on your device.
- Pick AIFF as the output format.
- Press convert and download the result — individually or as one ZIP.
Questions
How do I convert M4A to AIFF for free?
Add your M4A file on this site, choose AIFF, and press convert. The whole conversion runs in your own browser — nothing is uploaded — and the AIFF file downloads straight from your device.
Will converting M4A to AIFF lose quality?
M4A audio is lossy and AIFF audio is lossless: converting cannot restore detail the source already discarded, and the AIFF audio file will usually be larger than the original.
Does AIFF keep everything M4A supports?
Yes within the format’s own limits — pixels, timing and structure survive the conversion.