WAV to MP3

Convert WAV to MP3 in three steps

1. Choose one or more WAV files, or try the included sample.
2. Pick your MP3 bitrate and press Convert to MP3. Keep this tab open while it works.
3. Listen to the preview and save individual files or download the batch as a ZIP.

Shrinking WAV recordings

A WAV file stores uncompressed audio, so a minute of CD-quality stereo takes about 10 MB. That makes WAV ideal for editing and awkward for sharing. Converting to MP3 at 192 kbps typically cuts the size by around 85 percent, which is the difference between an attachment that bounces and one that sends. Podcast hosts, websites, and messaging apps all accept MP3.

Before you convert

Finish editing in WAV first, because every lossy save adds a little loss. Choose 128 kbps for speech, 192 kbps as the all-round default, and 256 or 320 kbps for music you plan to keep. The tool reads the sample rate and channels from your file and carries them across. Very long sessions use plenty of memory while they decode, so convert an hour-long recording in sections if your device struggles.

Troubleshooting and tips

WAV files can be 8-bit, 16-bit, 24-bit, or floating point, and your browser may not play every variety. This tool reads them with a built-in decoder, so most professional exports convert without trouble. Large files over 2 GB use an extended header that some older players cannot read, so record long sessions in several parts. After conversion, add a title and artist with the MP3 tag editor if the file will join a library.