Pull the soundtrack out of a MP4 video as AIFF audio
Free and unlimited, and nothing is uploaded: it all runs in your own browser. Open Extract Audio
What changes when you convert MP4 to AIFF
- MP4 video 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.
- MP4 video animation cannot be expressed in AIFF audio; the first frame is converted as a still image.
- The video’s audio track is extracted and re-encoded to AIFF audio; video frames are discarded.
How to convert MP4 to AIFF
- Add your MP4 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 MP4 to AIFF for free?
Add your MP4 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 MP4 to AIFF lose quality?
MP4 video 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 MP4 supports?
Yes within the format’s own limits — animation is kept where the target supports it.