WAV to MP3
Compress WAV audio as MP3 – free in browser
🔒 Your files are never uploaded – everything happens locally in your browser.
Drag WAV files here or click to select
multiple files at once
Why WAV → MP3?
WAV files are uncompressed and very large. MP3 compresses the file to a tenth of the size with barely noticeable quality loss. Directly in the browser, no upload.
Frequently Asked Questions
What is the difference between WAV and MP3?
WAV is an uncompressed audio format with high quality but large files. MP3 is a compressed format that significantly reduces file size with minimal quality loss.
Are my files safe?
Yes, 100%. Your audio files are never uploaded to a server. The conversion happens entirely locally in your browser.
Is the conversion free?
Yes, wandlio.de is completely free. No registration, no limits, no ads.