WAV commonly stores uncompressed audio with high fidelity and comparatively large file sizes.
WAV to MP3 converter
Convert WAV audio files to MP3 with on-device WebAssembly processing. Your files never leave your device.
Your files never leave your device
Why convert WAV to MP3?
MP3 is a compact, broadly compatible audio format supported by most players and devices.
Reduce uncompressed audio size for sharing and everyday playback.
How to convert WAV to MP3
Select the source file
Choose one or more WAV files from your device.
Convert in your browser
The MP3 target is selected automatically and processed with the local converter engine.
Download the result
Save the converted file directly from browser memory. No source file upload is required.