Free WAV to MP3 Converter
Convert WAV to compressed MP3 — reduce file size up to 10× while keeping great audio quality.
- 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.
MP3 uses perceptual compression. Choose 192 kbps or higher for near-lossless quality.
Common uses: streaming, podcasts, websites, mobile apps, email attachments.
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.
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