Compress WAV to MP3
Need smaller audio files? Converting WAV to MP3 dramatically reduces file size. A 50MB file becomes 5MB. Perfect for email, sharing, and storage.
Drop your WAV file here or click to browse
WAV (.wav) · Max 20 MB
WAV files are uncompressed and huge. MP3 uses lossy compression to shrink them by 90% or more. The size reduction is significant for sharing, uploading, and storage.
For email attachments, 128-192kbps works well. For music sharing, use 256-320kbps. AudioUtils lets you drop your file and convert instantly. No upload to a server, no waiting.
WAV is lossless. Converting to MP3 reduces file size at the cost of some audio data. Use a high bitrate to minimize loss. Choose the right bitrate for your use case. Higher bitrate means better quality but larger files.
Frequently Asked Questions
How much smaller will my MP3 be compared to WAV?
About 10x smaller. A 50MB WAV file converts to roughly 5MB as MP3 at 320kbps. At 128kbps, it's even smaller — around 2MB.
What bitrate should I use?
320kbps for the best quality, 192kbps for a good balance of quality and size, 128kbps for voice recordings or podcasts where size matters more than fidelity.
Will I lose audio quality?
Yes, MP3 is a lossy format. But at 320kbps, the difference from WAV is nearly imperceptible to most listeners. For casual listening and sharing, it's more than enough.
Are my files uploaded to a server?
No. Conversion happens entirely in your browser. Your audio files never leave your device.
About WAV
Uncompressed audio format. Perfect quality with no data loss. Standard for music production and professional audio work.
About MP3
The most widely used audio format. Great compatibility, small file size. Ideal for music, podcasts, and general use.