FLAC Compressor

Compress FLAC files with bitrate, loudness, and silence controls - processed locally in your browser.

Compression Settings

Quick presets

Output: FLAC

Level 5

Speech/Voice applies high-pass and low-pass to save bits.

Reduces peaks for more consistent level (good for voice).

Drop FLAC files here or click to browse

Accepts FLAC files

Related tools

FLAC Compressor

Convert FLAC to smaller formats or re-compress FLAC with level controls, live size estimates, and waveform comparison.

FLAC is lossless. Our tool lets you convert to MP3, M4A, or OGG for much smaller files, or output FLAC with compression level 0–8. Use quick presets, see live estimated output size and reduction percentage, and compare before/after with waveform preview. Optional loudness normalization and trim silence. All processing runs in your browser.

When to use FLAC Compressor vs other formats

Convert FLAC to MP3 or M4A when you need smaller files for phones, streaming, or sharing. Keep FLAC when archiving or when quality is paramount; use FLAC output with compression level 5–8.

Compatibility

Output format determines playback compatibility. FLAC is well supported on modern devices but not everywhere; MP3 and M4A are the safest for universal playback.

Quality considerations

FLAC to lossy always loses some quality. Use 256 kbps or higher for music if you want minimal difference. FLAC to FLAC re-compress stays lossless.

Example use cases

  • Convert FLAC library to MP3 or M4A for phone or portable player.
  • Create smaller distribution copies from FLAC masters.
  • Export FLAC recordings to M4A for podcast or video use.
  • Reduce FLAC backup size by converting to high-bit-rate MP3.
  • Prepare FLAC albums for streaming or web playback as MP3/M4A.

Powered by Web Audio API and optimized processing.

← All audio formats (MP3, WAV, OGG, M4A, FLAC, AAC)

Compress FLAC Files - FLAC to MP3, M4A, OGG or Re-compress FLAC