WAV to MP3 Converter
Convert WAV audio to MP3 — small, universal files that play anywhere. Free, in your browser, no software or signup.
Drag & drop your WAV file here, or browse
Got a big WAV file? This free converter turns .wav audio into a compact MP3 in seconds — right in your browser, with no software and no signup. Files up to 30MB are converted directly and nothing is stored after your download.
How to Convert WAV to MP3
1. Upload your WAV file
Drag a file onto the box above, or click to browse.
2. Choose MP3 and a bitrate
MP3 is already selected as the output. Pick a bitrate — 320 kbps for best quality, 192 or 128 kbps for smaller files.
3. Convert & download
Click Convert & Download. Your MP3 downloads automatically, ready to play anywhere.
Why Convert WAV to MP3?
WAV is uncompressed, so files are large — about 10 MB per minute. MP3 compresses that audio to a fraction of the size while staying transparent at higher bitrates, which is ideal for phones, streaming, and sharing. Because you start from a lossless WAV, the MP3 will sound as good as the codec allows at your chosen bitrate. For the full comparison, see WAV vs MP3. Need the reverse? Use MP3 to WAV.
Frequently Asked Questions
How do I convert WAV to MP3?
Upload your .wav file, choose MP3 and a bitrate, then click Convert & Download. The MP3 is created and downloaded automatically — no software or signup needed.
Will the MP3 sound as good as the WAV?
At 320kbps, MP3 is transparent for almost all listeners — very close to the WAV at a fraction of the size. MP3 is lossy, so it isn't a bit-perfect copy.
How much smaller is the MP3?
A lot. A ~30 MB WAV becomes about 7 MB at 320kbps, or ~2.9 MB at 128kbps.
Is the WAV to MP3 converter free?
Yes — it's completely free, with no account, no watermarks, and no limit on how many files you convert.