Smaller output
MP3 files are usually much smaller and easier to share than WAV.
VoysumPrivate browser tool
WAV to MP3 Converter
Compress a WAV recording into a convenient MP3 file while keeping the original file on your device.
No uploadNo accountFree to use
✓ Runs locally in your browser
↥Choose or drop a fileaudio/wav, .wav · up to 500 MB
🔒 Your media file is never uploaded to Voysum.
Private by default
Useful conversion without giving up your file.
Local conversion
Audio is processed entirely in your browser.
Simple download
Convert once and save the result directly to your device.
Common questions
WAV to MP3 Converter FAQ
How local browser processing works and what to expect.
Will MP3 sound identical to WAV?
MP3 uses lossy compression, so some audio data is removed to reduce file size.
Does Voysum store my WAV?
No. This free converter does not upload the file to Voysum.
Keep working
Related free tools
Free browser tool
Audio Compressor
Compress audio to a smaller MP3 locally in your browser.
Open tool →Free browser toolChange Audio Bitrate
Convert audio to MP3 at 64, 96, 128, 192, or 256 kbps locally.
Open tool →Free browser toolMP3 to WAV Converter
Convert MP3 to uncompressed WAV locally in your browser.
Open tool →Turn your audio into a searchable transcript.
Voysum can transcribe the converted recording and create subtitle files.
Transcribe audio