Convert MP4 to WAV
Extract the audio from any MP4 as uncompressed WAV — the format editors, DAWs, and transcription tools like best.
Free · No signup · Files never leave your device
Drag and drop a video file
or click to browse
Output format
Uncompressed
Other extractions
How it works
Drop your MP4 file
It stays on your device — nothing is uploaded.
Audio extracted locally
The WAV track is extracted right in your browser via WebAssembly — the video stream is skipped, so it's fast.
Download the result
Get your WAV file — free, no watermark.
Frequently asked questions
WAV is uncompressed PCM audio — the format audio editors, DAWs, and many transcription and speech tools prefer, because there is no lossy re-encode and no decoder quirks. If you plan to edit, process, or analyze the audio, WAV avoids adding a second generation of compression.
Roughly 10 MB per minute of stereo audio (16-bit, 44.1 kHz) — noticeably larger than MP3 or M4A. If you just want to listen or share, MP3 is the better pick; the format switch is one click on this page.
Usually well under a minute. Only the audio track is decoded and re-encoded — the video stream is skipped entirely, so even long videos process quickly right in your browser.
Yes. The audio extractor is completely free, with no signup, watermarks, or limits. We make money from our video translation service, not from this tool.
No. The extraction happens locally in your browser using WebAssembly. Your file never leaves your device — you can even disconnect from the internet once the page has loaded.
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