1. Upload your MP4 file
Start by dragging and dropping your MP4 file into the upload area, or click to browse your device and select your file in the list.
MP4 to WAV Converter Online
Convert your MP4 (.mp4) file to WAV (.wav) in seconds straight from your browser. No installs. No watermarks. 100 % free.
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Why choose HappyScribe?
47+ Formats
Convert from MP4 to WAV but also 47+ other formats.
100% Free
No signups, no fees, no hidden restrictions. Convert MP4 to WAV directly in your browser for free.
Secure
We take your security seriously. All file transfers use 256-bit SSL encryption.
Online
No installs needed; convert MP4 to WAV right from your browser, on any device, anytime.
How to convert MP4 to WAV?
2. Choose WAV format
Next, pick WAV as the format you’d like to convert your video into. Alternatively, we support +47 formats that you can choose from. When you’re ready, hit the Convert button.
3. Download your converted WAV
Once the conversion is complete, you’ll get a download link right away. Just click to save the file to your device. It’s fast, easy, and doesn’t require any software installation.
What is a MP4 file?
MP4 (MPEG‑4 Part 14) is the dominant container for online video. Based on QuickTime atoms, it can hold H.264/AVC, HEVC, AV1, AAC, AC‑3, timed text, and fragmented segments for adaptive streaming. Finalised in 2001 and revised in 2003 (ISO/IEC 14496‑14), MP4 became the hand‑off format of choice thanks to the iPod Video and PlayStation Portable. The arrival of HLS and DASH further entrenched MP4, which supports ‘moov’ boxes at either head or tail for progressive download or live streams.
What is a WAV file?
WAV is Microsoft and IBM’s RIFF‑based wrapper for PCM or ADPCM audio. It stores data in little‑endian ‘fmt ’ and ‘data’ chunks, making parsing trivial and ensuring universal DAW support. Introduced in 1991 alongside Windows 3.1’s Multimedia Extensions, WAV replaced raw VOC and AU formats. Its 4 GiB limit was a drawback until RF64 and W64 extensions arrived, but for most pop songs the cap is moot.
Free Online MP4 to WAV Converter
Need to convert your audio file from MP4 to WAV? It’s simple. Just upload your file, choose the output format, and click ‘Convert’. That’s it — no downloads, no complicated software, and no hidden costs. Our tool is designed to be fast, secure, and completely free, so you can turn your files into the format you need in seconds.
Whether you’re converting audio for sharing, editing, or playback on different devices, our converter ensures high-quality output every time. After your conversion, you’ll also have the option to transcribe audio to text, making it easy to turn your WAV files into accurate, editable text in just a few clicks.
Frequently Asked Questions
How to open a MP4 file?
Virtually every player from Safari and Chrome to Xbox and Roku handles MP4. When editing, DaVinci Resolve and Final Cut Pro will optimise H.264 to intraframe proxies for smoother scrubbing. HandBrake transcodes old codecs like DivX to modern H.264+AAC MP4 profiles.
How to open a WAV file?
Every OS previews WAV Windows Explorer shows waveforms, macOS Finder plays with a space bar tap. In the studio, Pro Tools, Cubase, and Reaper treat WAV as the default recording target. Because it stores linear PCM, transcoding is lossless.
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