Why convert WMA to WAV?

WMA is Microsoft's proprietary audio format and most non-Microsoft software won't import it cleanly — Audacity, Logic, Ableton, Pro Tools, and CD authoring tools generally expect WAV. Converting WMA to uncompressed PCM WAV gives you a file every audio editor will accept, without any further quality loss from re-encoding.

Is the WAV output truly lossless from this point on?

From the WMA forward, yes — WAV is uncompressed PCM, so no further generational loss. But the WMA itself was lossy (WMA Standard is roughly comparable to 128kbps MP3), so you can't recover detail that the WMA encoder already discarded. The WAV preserves exactly what's in the WMA.

What are the WAV settings?

We export 16-bit signed PCM at the source sample rate (typically 44.1kHz or 48kHz, kept from the WMA), stereo or mono matching the input. This is the standard CD-quality WAV format that every editor, DAW, and CD burner expects.

Why is the WAV so much bigger than the WMA?

WMA is lossy compressed (often 5-10MB per song); WAV PCM is uncompressed at ~10MB per minute of stereo audio. Expect the WAV to be 5-15x the WMA's size. If you only need lossless compression and not full PCM, FLAC is a better destination.

Are my WMA files uploaded?

No. FFmpeg WebAssembly decodes everything inside your browser tab. Your WMA files never leave your device.

Convert WMA to WAV

Convert WMA audio files to uncompressed WAV (PCM) directly in your browser. WAV is the universally supported lossless container that audio editors, DAWs, and CD authoring tools accept — WMA is rejected by most non-Microsoft software. No upload needed.

Drag 'n' drop files here, or
click to select files

.wma

WAV

Drop your files and click Convert to get WAV

Files never leave your device — 100% browser-based

//when_to_use

When to Convert WMA to WAV

Importing old WMA voice memos into Audacity for editing podcasts (Audacity's native WMA support is unreliable)
Converting WMA tracks ripped from old Windows Media Player libraries to WAV for re-editing in Logic Pro
Preparing WMA audiobook chapters as WAV for re-mastering in Adobe Audition
Converting WMA recordings from old Windows Mobile devices to WAV for forensic / legal transcription workflows
Migrating WMA radio archives to WAV for ingestion into broadcast automation systems that require PCM

//comparison

WMA vs WAV

Property	WMA	WAV
Compression	Lossy (WMA Standard)	Uncompressed PCM
Typical size (3 min)	3-5 MB	~30 MB
Bit depth	Compressed perceptual	16-bit signed PCM
Editor support	Microsoft tools mostly	Universal
Patent / royalty	Microsoft proprietary	Open Microsoft RIFF
Best for	Old Windows playback	Editing, mastering, CD burning

//how_it_works

How It Works

Drop your WMA files

Drag and drop or select WMA files. First use loads FFmpeg WASM (~30MB).

FFmpeg decodes WMA

FFmpeg WASM parses the ASF/WMA container and decodes the lossy WMA audio stream into raw 16-bit PCM samples at the source sample rate.

Wrap PCM in WAV

PCM samples are written into a standard WAV file with a RIFF header — 16-bit signed, source sample rate (44.1kHz or 48kHz), stereo or mono matching input.

Download your WAV files

Your WAVs import directly into Audacity, Logic, Pro Tools, Ableton, Adobe Audition, and any CD authoring tool.

// under the hood

WMA (Windows Media Audio) is Microsoft's proprietary lossy audio codec, typically encoding at 128-192kbps with a perceptual model loosely similar to MP3. WAV is the Microsoft RIFF audio container holding raw PCM samples. Our converter uses FFmpeg WASM to demux the WMA file, decode the lossy WMA stream to 16-bit PCM at the source sample rate, and write it directly into a WAV container with a standard RIFF header.

//faq

Frequently Asked Questions

Why convert WMA to WAV?: WMA is Microsoft's proprietary audio format and most non-Microsoft software won't import it cleanly — Audacity, Logic, Ableton, Pro Tools, and CD authoring tools generally expect WAV. Converting WMA to uncompressed PCM WAV gives you a file every audio editor will accept, without any further quality loss from re-encoding.
Is the WAV output truly lossless from this point on?: From the WMA forward, yes — WAV is uncompressed PCM, so no further generational loss. But the WMA itself was lossy (WMA Standard is roughly comparable to 128kbps MP3), so you can't recover detail that the WMA encoder already discarded. The WAV preserves exactly what's in the WMA.
What are the WAV settings?: We export 16-bit signed PCM at the source sample rate (typically 44.1kHz or 48kHz, kept from the WMA), stereo or mono matching the input. This is the standard CD-quality WAV format that every editor, DAW, and CD burner expects.
Why is the WAV so much bigger than the WMA?: WMA is lossy compressed (often 5-10MB per song); WAV PCM is uncompressed at ~10MB per minute of stereo audio. Expect the WAV to be 5-15x the WMA's size. If you only need lossless compression and not full PCM, FLAC is a better destination.
Are my WMA files uploaded?: No. FFmpeg WebAssembly decodes everything inside your browser tab. Your WMA files never leave your device.

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Convert WMA to WAV

When to Convert WMA to WAV

WMA vs WAV

How It Works

Drop your WMA files

FFmpeg decodes WMA

Wrap PCM in WAV

Download your WAV files

Frequently Asked Questions

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