Free WAV to FLAC Converter
Convert WAV to FLAC — same lossless quality at up to 60% smaller file size.
- 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.
Both are lossless. FLAC compresses WAV without any quality loss.
Common uses: archiving recordings, music libraries, streaming lossless music.
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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