.FLAC File Extension
Open-source audio format providing bit-for-bit lossless audio compression.
audio/flac
66 4C 61 43 (fLaC)
Format Architecture & Technical Specifications
FLAC (Free Lossless Audio Codec) is an open audio format created by Xiph.Org Foundation. Unlike lossy MP3 compression, FLAC compresses digital audio without dropping any acoustic frequency data.
How to Open .FLAC Files
1 Play in Foobar2000 or VLC
Drag .flac audio file into Foobar2000 or VLC.
Compatible Software Programs
VLC Media Player
windows, mac, linux, android, ios • Free
Foobar2000
windows, android, ios • Free
Security Considerations & Verification
Lossless audio container. Safe.
- Check fLaC signature block at offset 0.
Frequently Asked Questions
What is a .FLAC file?
A .FLAC file is a Free Lossless Audio Codec associated with Audio & Video. Open-source audio format providing bit-for-bit lossless audio compression.
How do I open a .FLAC file on Windows or Mac?
You can open .FLAC files using VLC Media Player, Foobar2000. If you do not have native software installed, you can use AnyFileX's free File Identifier or convert .FLAC to a standard format in your browser.
Is a .FLAC file safe to open?
This format carries a safety rating of Low Risk. Lossless audio container. Safe.
Can I convert a .FLAC file to other formats?
Yes! .FLAC can be converted to formats such as .MP3 directly in your web browser.
What should I do if a .FLAC file is corrupted or won't open?
If your .FLAC file displays an invalid header or signature error, check its magic bytes hex header (66 4C 61 43 (fLaC)) using AnyFileX's Magic Byte Detector or follow our step-by-step file repair guide.