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SpeakSay

Free M4A to WAV Converter

Convert M4A (Apple audio) to uncompressed WAV — for professional audio editing.

  • Free
  • No sign-up
  • Stays on your device

Why use this converter

100% Private

All conversion happens in your browser. Your audio never touches our servers.

Fast Conversion

Powered by FFmpeg.wasm — convert files in seconds directly in the browser.

No File Uploads

Your files stay on your device. Zero privacy risk, zero data retention.

Instant Download

Converted file downloads immediately — no email, no waiting, no account.

No Limits

Convert unlimited files. No file size caps, no daily limits.

Works Everywhere

Any modern browser on Windows, Mac, Linux, iOS or Android.

Frequently asked questions

Yes — 100% free with no account required. Convert unlimited files directly in your browser.

No. All conversion happens locally in your browser using WebAssembly technology. Your audio never leaves your device.

WAV output is uncompressed and ready for any audio editor.

Common uses: audio workstations, professional editing, cross-platform workflows.

There is no enforced limit, but very large files (>500 MB) may be slow depending on your device memory.

Chrome, Firefox, Edge, and Safari (version 15.4+). WebAssembly support is required.

Need a voice, not just an edit?

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