Advanced Audio Coding
The compressed audio format used by Apple Music, YouTube and most video.
- Type
- audio
- Best for
- good sound at small sizes
No account · no upload · no watermark
Convert AAC to FLAC. Completely free.
Drop your AAC and get an FLAC back, right here in this tab. Your own computer does the work, so nothing gets uploaded, and there's no paid version.
AAC to FLAC converter
Free Lossless Audio Codec
Lossless audio that keeps every detail in about half the space of WAV.
- Type
- audio
- Best for
- archiving music without quality loss
What to expect
FLAC is lossless, so it won't lose any more quality, but it can't restore detail AAC already threw away. The file will be larger.
How to convert AAC to FLAC
- Drop your AAC on this page, or choose it from your device.
- FLAC is already selected. Bitrate, trim and loudness are under More options.
- Press Convert and listen to the result before you download it.
Questions
Is this AAC to FLAC converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Do my files get uploaded?
No. Your browser does the work on your own device, so your files stay with you. Closing the tab clears them from memory.
Can I convert several files at once?
Yes. Drop as many as you like, and the results can be downloaded together as a ZIP.
Does it work on a phone?
Yes, in a current mobile browser. Large files are limited by how much memory your device can spare.
What should I know about AAC to FLAC?
FLAC is lossless, so it won't lose any more quality, but it can't restore detail AAC already threw away. The file will be larger.
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Ready to convert your AAC?
- Completely free
- Nothing uploaded
- No account
- No watermark