Are my FLAC files uploaded anywhere?

No. This conversion runs entirely inside your browser, so the file never leaves your device. You can confirm it yourself: open the network tab of your browser's developer tools and convert something. You will see the page load, plus the analytics and advertising the site is paid for with — and nothing carrying your file.

Is converting FLAC to AIFF free?

Yes. There is no account, no watermark and no limit on how many files you convert — it runs on your own machine, so it costs us nothing to let you. Files up to 100 MB are handled in the browser.

Does converting FLAC to AIFF lose quality?

No. AIFF stores the same content without discarding anything, so the result is identical in quality to the original.

Do I need to install anything to open AIFF files?

No installation is needed for the conversion itself — it runs in the browser you already have. Opening the AIFF afterwards needs whatever software normally handles Audio Interchange File Format on your device.

FLACtoAIFF

Convert FLAC to AIFF

Up to 100 files at once. Mixed formats are fine.

You can convert FLAC to AIFF free and without an account: drop the file above and the AIFF is ready to download in a second or two. The conversion happens inside your own browser, so the file is never uploaded — it works on Windows, Mac, Linux, iPhone and Android, and keeps working with the network switched off.

What FLAC and AIFF are for

Lossless compression at about half the size of WAV. The archival choice for music.

Apple's uncompressed audio format. The WAV equivalent on the Mac side.

How to convert FLAC to AIFF

Drop your FLAC file onto this page, or click to pick one.
Choose AIFF as the target. The conversion runs inside your browser — the file is never uploaded.
Download the finished AIFF file.

FLAC vs AIFF: what changes

FLAC compared with AIFF
	FLAC	AIFF
Full name	Free Lossless Audio Codec	Audio Interchange File Format
File extension	.flac	.aiff, .aif
Media type	audio/flac	audio/aiff
Compression	Lossless — nothing is discarded	Uncompressed

Quality: Nothing is lost. The result holds exactly the same picture, text or data as the original.
Where it runs: This conversion runs inside your browser. Your file is never uploaded, and it works with the network disconnected.

FLAC to AIFF: common questions

Are my FLAC files uploaded anywhere?: No. This conversion runs entirely inside your browser, so the file never leaves your device. You can confirm it yourself: open the network tab of your browser's developer tools and convert something. You will see the page load, plus the analytics and advertising the site is paid for with — and nothing carrying your file.
Is converting FLAC to AIFF free?: Yes. There is no account, no watermark and no limit on how many files you convert — it runs on your own machine, so it costs us nothing to let you. Files up to 100 MB are handled in the browser.
Does converting FLAC to AIFF lose quality?: No. AIFF stores the same content without discarding anything, so the result is identical in quality to the original.
Do I need to install anything to open AIFF files?: No installation is needed for the conversion itself — it runs in the browser you already have. Opening the AIFF afterwards needs whatever software normally handles Audio Interchange File Format on your device.