Convert AIFF to FLAC Online
Need to convert AIFF to FLAC right now? Drop your file and get results in seconds. Everything runs in your browser. Your audio never leaves your device.
Drop your AIFF file here or click to browse
AIFF (.aiff) · Max 20 MB
AudioUtils converts AIFF to FLAC using WebAssembly. The entire process happens locally. No upload, no server, no waiting in a queue.
Open any browser. Pick your file. Click convert. The FLAC file downloads instantly. Works on any device with a modern browser.
Both AIFF and FLAC are lossless. This conversion preserves every sample. No quality is lost. Free tier handles input files up to 20MB with a 10-second preview output. Upgrade to Pro for unlimited, full-length conversions up to 500MB.
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.