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Luocna's avatar
Luocna
Iron Contributor
Jun 19, 2025

Is there any free program to convert mp4 to wav?

Hi, I'm relatively new to audio editing and file conversion, and I’m currently working on a project that requires me to extract high-quality audio from an MP4 video file. Specifically, I need the au...
Gankskl's avatar
Gankskl
Iron Contributor
Jun 19, 2025

Shutter Encoder, a versatile, free, and open-source multimedia conversion tool designed for video, audio, and image processing. Built on the powerful free framework, it offers a user-friendly interface with advanced features, including format conversion, compression, editing, and encoding for various codecs (H.264, H.265, ProRes, DNxHD, etc.)

It supports a wide range of input and output formats (MP4, MOV, WAV, MP3, JPEG, PNG, and more) and provides specialized functions like trimming, rewrapping, bitrate adjustment, and hardware acceleration. 

You can run this command for converting MP4 to WAV on any Windows PC or Mac:

shutter -i input.mp4 -vn -acodec pcm_s16le -ar 44100 -ac 2 output.wav

Explanation of Flags:

-i input.mp4 → Input file

-vn → Disable video (audio only)

-acodec pcm_s16le → WAV encoding (16-bit PCM)

-ar 44100 → Sample rate (44.1kHz, CD quality)

-ac 2 → Stereo (2 channels)

output.wav → Output file

This free mp4 to wav converter is ideal for filmmakers, editors, and content creators, Shutter Encoder balances simplicity with professional-grade functionality, making it a reliable alternative to commercial software.

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