WMA to WAV Converter
Convert compressed Windows Media Audio (WMA) files to uncompressed WAV format for professional audio editing, legacy software compatibility, and archival purposes. Expand to lossless PCM audio for DAW workflows. Professional-quality audio conversion powered by FFmpeg, all processing happens securely in your browser.
Recommended Settings
For Audio Editing
- •WAV is the standard for DAW software
- •Uncompressed audio prevents generation loss
- •Essential for professional production workflows
For Compatibility
- •WAV works with all audio software
- •No proprietary codec requirements
- •Universal hardware support
Pro Tips
- •Converting WMA to WAV does not improve audio quality
- •WAV files are 10-15x larger than compressed WMA
- •Use WAV as intermediate format for further editing or conversion
Most Popular
Standard 16-bit PCM WAV for maximum compatibility
When to Use This Tool
Expand compressed WMA to uncompressed WAV for professional audio editing, mixing, and mastering workflows in DAW software.
Recommended: 16-bit PCM
Convert WMA to WAV for compatibility with older audio software and hardware that only support uncompressed formats.
Recommended: 16-bit PCM
Convert WMA files to uncompressed WAV format for long-term archival storage without proprietary codec dependencies.
Recommended: 16-bit PCM
How It Works
Upload your WMA audio file
FFmpeg decodes compressed WMA to uncompressed PCM
Audio is encoded as 16-bit WAV format
Download your converted WAV 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 WAV format?
WAV (Waveform Audio File Format) is an uncompressed audio format that stores raw PCM audio data. It offers perfect audio quality with no compression artifacts but results in very large file sizes compared to compressed formats like WMA.
Will converting WMA to WAV improve quality?
No, converting from lossy WMA to uncompressed WAV does not recover lost audio data. The WAV file will be much larger but contain the same audio quality as the WMA source. This conversion is useful for editing workflows or compatibility, not quality improvement.
Why convert WMA to WAV?
Convert to WAV for professional audio editing (DAWs require uncompressed audio), compatibility with software/hardware that doesn't support WMA, archival purposes to avoid codec dependencies, or as an intermediate format before converting to another format.
How much larger will the WAV file be?
WAV files are typically 10-15x larger than WMA files. A 5 MB WMA file might expand to 50-75 MB as WAV because WAV stores uncompressed PCM audio data while WMA uses lossy compression to reduce file size.
Should I keep the original WMA file?
Yes, if disk space allows. The WAV file doesn't contain more audio information than the original WMA—it's just uncompressed. Keep the WMA as a smaller backup, and use WAV for editing or compatibility purposes.