Convert AIFF to FLAC Free
Convert AIFF to FLAC without paying a cent. No trial period. No account required. Just open the page and convert.
Drop your AIFF file here or click to browse
AIFF (.aiff) · Max 20 MB
Most free converters add watermarks or throttle quality. AudioUtils does neither. You get the same output quality whether free or paid.
Free users get 5 conversions per month with a 10-second preview output. The conversion engine is identical to Pro — same speed, same quality, same privacy. Upgrade for full-length output.
Your files stay on your machine. Nothing is uploaded. Both AIFF and FLAC are lossless. This conversion preserves every sample. No quality is lost.
Frequently Asked Questions
Is there any quality loss converting AIFF to FLAC?
None at all. Both AIFF and FLAC are lossless. FLAC just stores the same audio data more efficiently through lossless compression. It's a bit-for-bit perfect conversion.
How much smaller are FLAC files than AIFF?
About 40-60% smaller. A 100MB AIFF file typically becomes 40-60MB as FLAC with absolutely no quality loss. The savings add up for large music libraries.
Can I convert back to AIFF if needed?
Yes, perfectly. Since both formats are lossless, you can convert back and forth without any quality degradation. The audio is identical in both formats.
About AIFF
Apple's uncompressed format. Similar to WAV but with better metadata support. Used in professional Mac audio workflows.
About FLAC
Lossless compression. Perfect quality at roughly half the size of WAV. The choice for audiophiles and archiving.