Convert to FLAC

Convert audio files between all popular formats with our professional-grade audio converter.
Supports MP3, WAV, FLAC, AAC, OGG and more audio formats with quality preservation.

Free tier: 5 conversions/day, files up to 50 MB, ad-supported. Need more? See Pro plans →
  • 256-bit SSL encryptionYour files are protected end-to-end
  • Lightning-fast conversionsProcess files in seconds, not minutes
  • All major audio formatsMP3, WAV, AAC, FLAC & more
  • No registration requiredStart instantly — 5 free conversions a day
  • Files auto-deleted in 1 hourGDPR-friendly: we never keep your files
File Conversion Illustration

Select or drop a file here

Max file size 50 MB. Sign up for more

Select several files to convert them in one go.

FLAC delivers bit-perfect audio reproduction with file sizes 50-70% smaller than WAV. Audiophiles and music enthusiasts choose FLAC when they want the best possible sound quality without the massive storage requirements of uncompressed formats.

Convert to FLAC – Free Online FLAC Converter

About the Free Lossless Audio Codec (FLAC) Format

Lossless compression reducing file size by 50-70%. Supports up to 32-bit depth and 655 kHz sample rate. Open-source and royalty-free.

Common Use Cases for FLAC

  • High-fidelity music collections
  • Audiophile listening
  • Music archival
  • Professional distribution

Pros of FLAC

  • Lossless quality
  • Smaller than WAV
  • Free and open source
  • Metadata support

Cons of FLAC

  • Larger than MP3/AAC
  • Limited device support
  • Not supported by iTunes

How to convert files to FLAC

  1. Upload your file using the area above.
  2. Select FLAC as the target format.
  3. Click Start and wait for the conversion to finish.
  4. Download your converted FLAC file.

FLAC Converter — Frequently Asked Questions