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WAV to MP3 — Convert Free Online

Convert WAV files to compact MP3 format with your choice of bitrate. Instantly. No sign-up required.

Drop your WAV file here

or click to browse

Accepted formats: WAV

Max file size: 100 MB (single file)

Your files never leave your device

Compress the MP3?

Reduce file size further

How to wav to mp3

  1. 1.Upload your WAV file using the drop zone above
  2. 2.Select your preferred bitrate (128, 192, 256, or 320 kbps)
  3. 3.Click "Convert to MP3" to start the conversion
  4. 4.Download your MP3 file

About This Tool

WAV files offer uncompressed, studio-quality audio — but they are enormous. A single 3-minute song can easily top 30 MB. Our free wav to mp3 converter shrinks those files by 80-90% while preserving excellent audio quality.

Choose from four bitrate options: 128 kbps for speech and podcasts, 192 kbps for a good all-round balance, 256 kbps for high-quality music, or 320 kbps for the absolute best MP3 quality. All encoding is handled by the LAME MP3 encoder running via FFmpeg.wasm.

Everything runs in your browser. Your WAV files are never uploaded to any server. No watermarks, no daily limits, no account required.

Frequently Asked Questions

WAV files are uncompressed, so MP3 conversion typically reduces size by 80-90%. A 30 MB WAV file becomes roughly 3-5 MB as a 192 kbps MP3.

320 kbps is the highest quality MP3 bitrate and is virtually indistinguishable from WAV in blind tests. 192 kbps is great for most purposes. 128 kbps is fine for spoken-word content.

MP3 is a lossy format, so some audio data is discarded. At 256 or 320 kbps, the difference from the original WAV is inaudible to most listeners in normal conditions.

No. All conversion happens locally in your browser using WebAssembly. Your files never leave your device.

Currently the tool processes one file at a time. Upload and convert each WAV file individually for the best results.

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