WAV to MP3 Converter
Convert WAV files to MP3 in your browser with selectable bitrate (128–320 kbps). Free, private — no server upload needed.
Drop a WAV file here or click to browse
WAV files supported
Three steps to get started
Upload your WAV file
Drag and drop a WAV file onto the upload area, or click to browse your files.
Choose a bitrate
Select your preferred MP3 bitrate: 128 kbps for speech, 192 kbps for balanced quality, 256 or 320 kbps for high-fidelity music.
Convert and download
Click "Convert to MP3" and download the compressed file. You'll see the file size and compression ratio before downloading.
Convert WAV to MP3 without uploading your files
WAV files preserve perfect audio quality but take up a lot of storage space. A three-minute song at CD quality (44.1 kHz, 16-bit stereo) uses about 30 MB as WAV but only 4–5 MB as a 192 kbps MP3 — with quality that most listeners can't distinguish from the original.
This tool decodes your WAV file using the Web Audio API, then encodes it to MP3 using a JavaScript implementation of the LAME encoder. You choose the bitrate to control the balance between file size and audio quality.
Everything runs entirely in your browser. No audio data is transmitted to any server, making this safe for sensitive recordings, unreleased music, and private audio files.