Convert your WAV files to MP3 format to reduce file size while maintaining good audio quality.
Or drag and drop your file here
The WAV to MP3 Converter by ConvertResize.com is a free, browser-based tool that compresses your WAV audio files into the widely-supported MP3 format. No registration required, no watermarks, and completely free to use.
Your privacy is our priority: all audio processing happens locally in your browser, so your files never leave your device. Choose from multiple quality settings (128-320 kbps) to balance file size and audio quality based on your needs.
Perfect for musicians, podcasters, content creators, and anyone who needs to reduce WAV file sizes while maintaining good audio quality. Works seamlessly on all devices including desktops, laptops, tablets, and smartphones.
Yes! This WAV to MP3 converter works 100% client-side. Once loaded, you can use it without an internet connection.
Will my audio files ever leave my device?No, all processing is done in your browser. Your audio files never leave your computer, tablet, or phone.
What's the difference between the quality settings?Higher kbps means better quality but larger file size. 128 kbps is good for speech, 192 kbps is excellent for music, 256-320 kbps are high quality options.
What WAV formats are supported?Most standard WAV files are supported, including stereo and mono audio at various sample rates.
WAV file not loading? Make sure your file is a valid WAV format and not corrupted. Try a different WAV file.
Conversion fails or takes too long? Very large WAV files may take several minutes to process. For files over 100MB, consider using a desktop application.
No sound in the preview? Check your device's volume settings and ensure the WAV file contains audio data.
Browser compatibility issues? This tool requires modern browsers with Web Audio API support. Try Chrome, Firefox, Safari, or Edge.
Still having problems? Clear your browser cache and cookies, or contact us using the link in the footer for assistance.