FLAC FORMAT
FLAC Converters
Convert audio files to and from lossless FLAC format.
About FLAC
FLAC (Free Lossless Audio Codec) is the open-source standard for lossless audio compression, developed by Xiph.Org Foundation and released in 2001. Unlike MP3 or AAC, FLAC compresses audio without discarding any data—the decoded output is bit-for-bit identical to the original. Typical compression ratios are 50-60%, meaning a 100 MB WAV becomes a 40-50 MB FLAC with zero quality loss.
Learn more: FLAC on Wikipedia
FLAC has become the format of choice for audiophiles, music archivists, and streaming services like Tidal, Qobuz, and (as of 2025) Spotify. It supports metadata, album art, and cue sheets for track indexing. The tradeoff is size and compatibility: FLAC files are 3-5x larger than equivalent MP3s, and some older devices lack native support. For permanent archives, FLAC preserves quality that can later be converted to any format without generation loss.
Quick Facts
- Extension
- .flac
- Developed By
- Xiph.Org Foundation
- Year Introduced
- 2001
- Compression
- Lossless
- Compression Ratio
- 50-60% of original
- Sample Rates
- Up to 655 kHz
- Bit Depth
- 4-32 bit
- Channels
- Up to 8
Convert from FLAC (3 tools)
Convert to FLAC (2 tools)
Answers at a Glance
Quick answers to common questions.
- Are my files secure?
- How long do you keep my files?
- What metadata do you keep?
- What happens after I drop a file?
- Why are conversions so fast?
- How do you measure performance?
- What are the exact limits for each plan?
- Can I process files in bulk?
- Why did my file fail to convert?
- Do you use my files to train AI?