WAV Converter

Choose your files and pick an output format. WAV Converter works entirely in your browser — nothing is uploaded.

No uploadNo limitsNo sign-upFree
Processed locally in your browser — your files are never uploaded.

How to use the WAV Converter converter

  1. Add filesClick “Choose Files” or drag them in. Each file is detected automatically, and you can mix different formats in one batch.
  2. Pick the output formatUse the “to” menu next to each file to choose the target format (WAV is preselected).
  3. Convert and saveHit “Convert”. Everything is processed on your device, then you can download each result or a ZIP of all of them.

About WAV

WAV Waveform Audio File

WAV stores raw, uncompressed audio — perfect quality but about 10 MB per minute. It is the standard for recording, editing, DJ software and broadcast.

Compression
Uncompressed PCM
Features
Studio quality
Origin
1991, Microsoft & IBM
Best for
Editing, studio, sound effects

Why use ConvertMathly?

100% private

Files are processed on your device and never uploaded. Close the tab and they are gone.

No limits, no sign-up

No account, no daily cap, no queue and no watermark — convert as much as you want.

Powered by FFmpeg

The same engine used by professional video tools, running in your browser via WebAssembly.

Works everywhere

Windows, Mac, Linux, Chromebook, iPhone and Android — any modern browser, nothing to install.

Frequently asked questions

What formats does the WAV Converter support?

It accepts MP3, WAV, OGG, OGA, AAC, M4A, FLAC, OPUS, WMA, AIFF, AIF, AMR, AC3, M4R and more, and can output MP3, WAV, OGG, AAC, M4A, FLAC, OPUS, WMA, AIFF.

Is it really free?

Yes. ConvertMathly is free with no sign-up, no watermarks and no limits. The site is supported by ads.

Are my files private?

Completely. Conversion happens inside your browser — files are never uploaded to any server.

Why does the first video or audio conversion take longer?

A one-time download of the FFmpeg engine (~30 MB) is needed. It is cached afterwards, so later conversions start instantly.

Does it work on iPhone and Android?

Yes, the converter works in Safari, Chrome, Firefox and Edge on phones, tablets and computers.

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