WMA to WAV Converter

WMA to WAV Converter

Convert WMA (Windows Media Audio) files to uncompressed WAV format. Powered by FFmpeg WebAssembly — no server uploads, full privacy. Perfect for importing WMA recordings into audio editors and DAWs.

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Upload WMA Audio
Drag and drop your WMA audio file or click to browse

Drop your audio file here

or click to browse

Supports: WMA

Complete Guide: WMA to WAV Converter

Everything you need to know about using this tool effectively

What is WMA to WAV Converter?

The WMA to WAV Converter decodes Windows Media Audio files into uncompressed WAV format. WAV is universally supported by all audio editors and DAWs, making it the best working format for editing or processing WMA recordings. All conversion runs locally in your browser using FFmpeg via WebAssembly.

WMA (Windows Media Audio) is Microsoft's proprietary codec used by Windows Media Player, Xbox, and various Windows recording apps. Because browsers cannot decode WMA natively, this tool uses FFmpeg compiled to WebAssembly to handle the decoding. The resulting WAV file is standard PCM audio compatible with any software.

Key Features
Converts WMA files to uncompressed WAV format
Powered by FFmpeg running in WebAssembly
Processes entirely in your browser with no file uploads
No account or installation required
Preserves full audio quality from the WMA source
Free to use with no file size restrictions
Common Use Cases
When and why you might need this tool

Import WMA into audio editors

Convert WMA recordings to WAV so they can be opened in Audacity, Adobe Audition, Logic Pro, or any DAW that does not support WMA input.

Archive Windows Media Player recordings

Convert WMA files from older Windows Media Player libraries into WAV for long-term archival in a format that does not depend on proprietary codecs.

Prepare WMA for further processing

WAV provides a lossless working copy of your WMA audio for normalizing, trimming, mixing, or applying effects without stacking additional compression.

Cross-platform compatibility

Convert WMA to WAV for playback and editing on macOS, Linux, or any system where Windows Media codecs are unavailable.

Convert Xbox or Windows voice recordings

WMA is used by Xbox Game Bar and Windows Voice Recorder. Convert these recordings to WAV to work with them in any audio tool.

How to Use This Tool
Step-by-step guide to get the best results
1

Upload WMA file

Click to browse or drag and drop your WMA file into the upload area.

2

Wait for FFmpeg to load

On first use, the FFmpeg WebAssembly binary loads from a CDN. This takes a few seconds. Subsequent conversions in the same session are immediate.

3

Convert

Click Convert to WAV. FFmpeg decodes the WMA and outputs a standard PCM WAV file.

4

Download WAV

Download your WAV file. The file is ready to open in any audio editor or media player.

Pro Tips
1

WAV files are significantly larger than WMA. A 5MB WMA file may produce a 50MB WAV.

2

Keep your original WMA file in case you need to re-convert with different settings.

3

Convert to WAV before trimming or normalizing to avoid stacking lossy compression.

4

WMA files with DRM (Digital Rights Management) cannot be converted by this tool.

5

For distribution rather than editing, consider converting to MP3 or AAC instead of WAV.

Frequently Asked Questions
Why can't I just open WMA in my audio editor?

Most cross-platform audio editors do not include WMA codec support because WMA is a proprietary Microsoft format. Converting to WAV first gives you a universally compatible file.

Does converting WMA to WAV improve audio quality?

No. WMA is a lossy format and audio data discarded during the original WMA encoding cannot be recovered. The WAV file will have the same perceptual quality as the WMA source.

Are my files uploaded to a server?

No. FFmpeg runs in your browser via WebAssembly. Your files are processed locally and never sent to any server.

Why does the first conversion take longer?

The first conversion loads the FFmpeg WebAssembly binary from a CDN. This is approximately 30 MB and takes a few seconds. Subsequent conversions in the same session are immediate.

Can I convert WMA files with DRM protection?

No. DRM-protected WMA files cannot be decoded by this tool. Only unprotected WMA files are supported.

What is the difference between WMA Standard and WMA Lossless?

WMA Standard is a lossy codec. WMA Lossless preserves all audio data but is less commonly used. This tool handles both variants through FFmpeg.