AIFF to FLAC Converter
Convert AIFF audio to FLAC for free. Choose the bitrate, sample rate and channels, or trim your audio.
or drop files here
Up to 1 GB per file · Files never leave your device
- 100% free
- No sign-up
- No upload — private
- No watermark
How to convert AIFF to FLAC
Add your AIFF files
Click “Choose Files” or drag and drop your AIFF audios onto this page.
FLAC is selected
The output is already set to FLAC. Open Advanced settings if you want to change the bitrate or trim the audio.
Convert and download
Click Convert. Your FLAC file is ready in moments — nothing is uploaded.
About the formats
Audio Interchange File Format
AIFF is Apple’s uncompressed audio format, the Mac equivalent of WAV. It is used in music production and GarageBand.
Free Lossless Audio Codec
FLAC compresses audio without losing any quality. It is the favourite format of audiophiles and music archives.
Frequently asked questions
How do I convert AIFF to FLAC?
Click “Choose Files” and select your AIFF file (or drag it onto the page). FLAC is already selected as the output, so just click Convert and download your FLAC file when it’s ready.
Which bitrate should I choose?
FLAC is lossless, so there is no bitrate to choose — the audio is stored at full quality.
Is it safe to convert AIFF files here?
Yes. Conversion runs inside your own web browser, so your files are never uploaded to our servers or anyone else’s. Nobody can see them, and nothing is stored after you close the tab.
Is the AIFF to FLAC converter free?
Yes, it’s completely free. There’s no sign-up, no watermark and no limit on how many files you convert. Each file can be up to 1 GB.
Can I convert several AIFF files at once?
Yes. Add as many AIFF files as you like and convert them in one go, then download them one by one or together as a ZIP file.