WMA to FLAC Converter
Convert Windows Media Audio (WMA) files to FLAC format for lossless compression and archival. While conversion won't restore lost quality, FLAC provides open-source, lossless storage for future-proofing your audio collection. Professional-quality audio conversion powered by FFmpeg, all processing happens securely in your browser.
Recommended Settings
For Archival
- •Level 8 for maximum compression and storage efficiency
- •FLAC is open-source and future-proof
- •Lossless compression prevents further quality degradation
For Everyday Use
- •Level 5 offers best balance of size and speed
- •Wide compatibility with modern players
- •Perfect for audiophile music collections
Pro Tips
- •Converting WMA to FLAC won't improve quality but prevents further loss
- •FLAC files are 40-50% smaller than WAV but lossless
- •All compression levels produce identical audio quality
Most Popular
Most users choose Level 5 for balanced compression
When to Use This Tool
Convert WMA to FLAC for lossless compression with perfect audio preservation. FLAC is the gold standard for high-quality music collections.
Recommended: Level 5-8
Preserve WMA audio in open-source FLAC format for long-term archival without proprietary codec dependencies or quality loss.
Recommended: Level 8
Convert to FLAC for playback on high-end audio equipment and audiophile-grade DACs with full audio fidelity support.
Recommended: Level 5
How It Works
Upload your WMA audio file
Select FLAC compression level (affects file size only)
FFmpeg converts WMA to lossless FLAC format
Download your converted FLAC file
100% Private
Files never leave your device. All processing happens locally in your browser.
Lightning Fast
Powered by FFmpeg.wasm (WebAssembly) for optimal performance on modern browsers.
Open Source
Built with verified, open-source libraries. Fully transparent.
Frequently Asked Questions
What is FLAC format?
FLAC (Free Lossless Audio Codec) is an open-source lossless audio compression format. Unlike lossy formats like WMA or MP3, FLAC compresses audio without any quality loss, offering bit-perfect reproduction while reducing file size by 40-50%.
Will converting WMA to FLAC improve quality?
No, converting from lossy WMA to lossless FLAC does not recover lost audio data. The FLAC file will be larger and lossless in format, but it contains the same audio quality as the WMA source. This conversion is useful for archival and avoiding future quality loss.
What compression level should I choose?
Level 0 offers fastest encoding with larger files, Level 5 (default) provides a good balance of compression and speed, and Level 8 offers maximum compression with smaller files but slower encoding. All levels are lossless—they only affect file size and encoding time, not quality.
How do FLAC file sizes compare to WMA?
FLAC files from WMA sources will be larger since FLAC is lossless compression while WMA is lossy. However, FLAC files are typically 50-60% smaller than uncompressed WAV files. The exact size depends on the original WMA quality and FLAC compression level chosen.
Why choose FLAC over WAV?
FLAC offers the same lossless audio quality as WAV but with 40-50% smaller file sizes. FLAC also supports metadata tagging, is open-source, and is widely supported by modern music players and streaming devices. It's the preferred format for audiophiles and archival.