Convert MP4 to WAV
Drop an MP4 here and save the sound as a WAV, the format music and video editors handle best. Nothing is uploaded.
No file open
Stays on this device
Drop a file here
Audio or video, up to 500MB, 20 min
MP4 to WAV converter
Pick a format.
How it works
- 01
Drop your MP4 in
The MP4 whose sound you want to edit, from your computer or phone. Drop it on the tool at the top of this page, or tap Choose a file. Up to 500MB and 20 minutes.
- 02
It converts right there
The sound comes out in your browser while you watch. Nothing is uploaded, so even a big file doesn't wait.
- 03
Download the WAV
The Download button is already on WAV, and the format beside the tool (the Convert tab on phones) switches it to MP3, M4A, WAV, FLAC or WebM. Only want part of it? Tap Trim and extract first.
What people use it for
- Bring a video's sound into a music app to edit.
- Sample a moment from a clip you filmed.
- Clean up interview audio in an editor.
- Hand a voice-over to an editor who asked for WAV.
Why WAV for editing, and exactly what you get
WAV stores sound as plain samples, with no compression. Every music and video app opens it: GarageBand, Logic, FL Studio, Ableton Live, Audacity, Premiere, DaVinci Resolve and samplers. Because nothing is compressed, cutting, fading and saving it again loses nothing more each time, which isn't true of an MP3 or AAC that an app saves again in the same format.
Extractune's WAVs are 16-bit PCM at the sample rate of the video's sound, 48kHz for most videos and 44.1kHz for some. Stereo sound stays stereo, and a mono recording stays mono. There's no setting for 24-bit: it's 16-bit, and the editor can convert the file as it imports it.
At 48kHz that's 1536kbps in stereo, about 11.5MB a minute, against 2.4MB for an MP3 of the same minute; mono is half that, about 5.8MB. The longest video the converter takes, 20 minutes, makes a stereo WAV of about 230MB.
A WAV can't sound better than the sound inside the MP4. Extractune decodes the video's sound and writes the WAV straight from it, with no lossy step in between, so your edits don't make it worse, but it doesn't bring back what the video's own compression took out. If you want it smaller with nothing lost, pick FLAC instead.
Trim it here first and the WAV starts and ends where you set the handles, so it drops onto a timeline or a sampler pad without more cutting. The file keeps the video's name, with .wav at the end.
Questions
How do I convert MP4 to WAV?
Drop the MP4 on the tool at the top of this page, or tap Choose a file. The sound comes out right in your browser, and the Download button is already on WAV. To keep only part of it, tap Trim and extract.
Is the WAV 16-bit or 24-bit?
16-bit, at the sample rate of the MP4's sound (48kHz for most). There's no 24-bit option.
Can I get each instrument as its own WAV?
Yes. On the stem splitter, split the song, pick WAV and tap All 4 parts: the voice, drums, bass and everything else, each as its own WAV, in one zip.
Why are WAV files so big?
WAV keeps the audio uncompressed, which makes it the safest format to edit in a music or video app. For listening, MP3 is a fraction of the size and sounds the same to most ears.
Is my MP4 uploaded to make the WAV?
No. The conversion runs in your browser, so the file never leaves your device, and a big one doesn't wait on an upload.
Is the MP4 to WAV converter free?
Yes. No sign-up, no watermark, and no limit on how many files you convert to WAV.
More ways to get the audio
Updated