WAV to MP3 Converter
Convert WAV audio to compressed MP3 in your browser. Choose your bitrate. Private by default — no files are uploaded.
Drag & drop WAV files here or click to browse
How to convert WAV to MP3
- Drop your WAV files into the converter or click to browse
- Select your desired bitrate (64, 128, 192, or 320 kbps)
- Click Convert — encoding happens locally in your browser using lamejs
- Download the resulting MP3 files (ZIP is created automatically for batches)
Why convert WAV to MP3?
WAV files store uncompressed audio and are typically 10x larger than MP3 equivalents. Converting to MP3 makes files easier to share, stream, and store while maintaining good listening quality at higher bitrates.
Is this converter safe?
Yes. All conversion happens entirely in your browser. No audio data is sent to any server.
WAV vs MP3 — quick comparison
| Feature | WAV | MP3 |
|---|---|---|
| Compression | Uncompressed | Lossy |
| File size | Large (~10 MB/min) | Small (~1 MB/min at 128 kbps) |
| Quality | Original | Good (depends on bitrate) |
| Compatibility | Universal | Universal |
| Best for | Editing, archiving | Sharing, streaming |
Frequently asked questions
What bitrate should I choose?
128 kbps is a good balance of quality and file size for most listening. Use 192 or 320 kbps for higher fidelity. Use 64 kbps when file size matters more than quality (e.g., voice recordings).
Does converting WAV to MP3 lose quality?
Yes, MP3 encoding is lossy. At 320 kbps the difference is nearly inaudible for most people. At 128 kbps some high-frequency detail is removed. The quality loss is irreversible.
Do I need to upload my audio files?
No. Decoding and encoding happen entirely in your browser using the Web Audio API and lamejs. Nothing leaves your device.