MP3 to WAV
Convert MP3 to lossless WAV format. 100% in your browser — no uploads needed.
Drop your MP3 file here
or click to browse
100% Private
Files never leave your device
Instant Convert
Powered by Web Audio API
Lossless WAV
Uncompressed PCM audio
How it works
Three simple steps — everything happens in your browser.
Upload MP3 file
Drag and drop or click to select your MP3 audio file from your device.
Convert to WAV
Your MP3 is decoded and re-encoded as uncompressed PCM 16-bit WAV audio instantly.
Download WAV
Download your lossless WAV file immediately. No quality loss, no waiting.
Why convert MP3 to WAV with ToolKnit?
100% Private — No Server Uploads
Your audio files never leave your device. All conversion uses the Web Audio API locally in your browser.
Lossless WAV Output
Get uncompressed PCM 16-bit WAV audio — perfect for professional editing, mixing, and mastering.
Universal Compatibility
WAV is supported by virtually every audio editor, DAW, and media player on all platforms.
Instant Conversion
No waiting for server processing. Your MP3 is decoded and converted to WAV right in your browser.
Pro Tips
- • Convert to WAV before professional editing — WAV preserves full audio quality during processing.
- • WAV files are much larger than MP3. A 5 MB MP3 may become 50+ MB as WAV.
- • Use WAV for music production and DAWs like Audacity, FL Studio, or Logic Pro.
- • WAV is the standard format for CD burning and broadcast audio.