How to use the WAV to MP3 tool
- Choose your WAV files.
- Pick the MP3 quality: 320 kbps is preselected for music.
- Click “Convert to MP3”.
- Download the MP3 files or a ZIP.
How much smaller?
- A 5-minute stereo WAV (CD quality) is about 50 MB.
- As MP3 at 320 kbps it is about 12 MB, at 192 kbps about 7 MB, at 128 kbps about 5 MB.
- Mono speech at 96 kbps needs only about 0.7 MB per minute.
Good to know
WAV files from recorders, DAWs and sample libraries use 44.1 or 48 kHz and 16, 24 or 32-bit samples; all of them work. Keep the original WAV if you will edit or master the audio later, and use MP3 for listening and sharing.
Privacy
Everything runs in your browser: the audio is decoded by your browser and encoded on your device. Your files are never uploaded.
Frequently asked questions
Will the MP3 sound worse?
At 256 or 320 kbps, most people cannot hear a difference from the WAV in normal listening.
Is there a size limit?
Files up to about 1 GB work on a computer, which is more than an hour and a half of CD-quality stereo.
Does it keep the sample rate?
Audio is processed at 44.1 kHz, the standard for music and MP3 players.
Can I convert AIFF too?
Yes. AIFF and other uncompressed formats your browser can read are supported.