Convert AIFF to FLAC
Free and instant — your AIFF files are processed securely on our servers and deleted right after conversion. Nothing is stored.
How to convert AIFF to FLAC
- Step 01
Add your AIFF 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 FLAC files
Save each file individually or grab them all at once. Done.
Why convert AIFF to FLAC?
AIFF stores audio uncompressed, so files are large — 40–60% bigger than they need to be. Converting to FLAC compresses it losslessly, keeping every bit of quality at a much smaller size.
AIFF vs FLAC at a glance
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. FLAC is lossless audio with compression — identical quality to WAV but 40–60% smaller, the audiophile choice for music archival.
| Property | AIFF | FLAC |
|---|---|---|
| Extension | .aiff, .aif | .flac |
| Full name | Audio Interchange File Format | Free Lossless Audio Codec |
| First released | 1988 | 2001 |
| Developed by | Apple | Xiph.Org |
| Compression | Lossless | Lossless |
| Transparency | No | No |
| Animation | No | No |
| Best for | professional audio production and archiving on macOS | audiophile music listening and archival of high-quality audio |
AIFF to FLAC — frequently asked questions
Is this AIFF to FLAC converter really free?
Yes — completely free, with no sign-up, no watermarks and no daily limits.
Does AIFF to FLAC lose any quality?
No — FLAC is lossless compression. Every sample from the AIFF is preserved exactly.
Is the conversion private?
Audio conversion runs on our servers with ffmpeg — your file is deleted immediately and never stored.
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Need the reverse? Convert FLAC to AIFFExplore the FLAC converter