Why convert MP4 audio to WAV?

Converting MP4 audio to WAV creates an uncompressed file ideal for detailed editing, mastering, and archival that preserves the original sample rate and bit depth.

Will the WAV file be larger than the original MP4?

Yes, WAV files are usually much larger because they store uncompressed audio, whereas MP4 commonly contains compressed audio like AAC.

Can all MP4 files be converted to WAV?

Most MP4 files with common audio codecs such as AAC can be converted, but files with uncommon or unsupported audio codecs may not convert properly.

Convert Your Audio to the WAV Format from MP4

Learn how to convert MP4 video files to WAV audio format for high-fidelity editing, mastering, and archival. Extract audio tracks efficiently with this easy-to-use online converter.

Upload Your File | Maximum Size Upto 25MB

Quick Access To 21 MP4 File Conversion Pairs

What Is This Tool?

This tool converts MP4 video files into WAV audio format, extracting the audio track to create an uncompressed, edit-ready WAV file. It is ideal for users who need a high-quality audio file for professional editing, mastering, or archival.

How to Use This Tool?

Upload your MP4 video file containing audio track
Choose WAV as the output audio format
Start the conversion process by clicking the convert button
Download the resulting WAV file once the process completes
Import the WAV into your audio software or archive as needed

Key Features

Extracts audio from MP4 video container preserving sample rate and bit depth
Outputs uncompressed WAV files compatible with all major audio software
Supports converting compressed MP4 audio codecs like AAC to WAV PCM
Delivers high-fidelity audio suitable for digital audio workstation (DAW) editing
Browser-based and easy to use with no installation required

Examples

A documentary editor extracts WAV audio from MP4 footage to perform noise reduction and multitrack mixing in a DAW
A podcaster converts an interview recorded in MP4 video format into a WAV file to maintain audio fidelity for mastering and publishing

Common Use Cases

Preparing audio from recorded MP4 video files for detailed editing and mixing
Creating archival masters or stems from camera or smartphone recordings
Converting short sound effects embedded in video to WAV for use in games or offline applications

Tips & Best Practices

Ensure the MP4 audio track uses a supported codec to avoid conversion errors
Use WAV format when exact sample fidelity is important for editing or mastering
Be aware that WAV files are larger and plan storage accordingly
Double-check audio quality after conversion to confirm no issues occurred
Use the tool in a modern browser for best performance

Limitations

Conversion does not restore audio quality lost due to original compression in MP4's audio track
Unsupported or uncommon audio codecs inside MP4 can prevent successful conversion
WAV files are significantly larger than compressed audio formats
Limited standardized metadata support in WAV compared to modern audio containers

Frequently Asked Questions

Why convert MP4 audio to WAV?: Converting MP4 audio to WAV creates an uncompressed file ideal for detailed editing, mastering, and archival that preserves the original sample rate and bit depth.
Will the WAV file be larger than the original MP4?: Yes, WAV files are usually much larger because they store uncompressed audio, whereas MP4 commonly contains compressed audio like AAC.
Can all MP4 files be converted to WAV?: Most MP4 files with common audio codecs such as AAC can be converted, but files with uncommon or unsupported audio codecs may not convert properly.

Key Terminology

MP4: A container format storing video, audio, subtitles, and metadata, often using codecs like H.264 for video and AAC for audio.
WAV: An audio file format that typically contains uncompressed linear PCM audio, preserving sample rate and bit depth for high-quality audio.
Codec: A method or algorithm used to encode and decode digital audio or video data.

Quick Knowledge Check

What type of audio does WAV typically store?

Compressed audio

Uncompressed PCM audio

Encrypted audio

Why might WAV files be less suitable for general storage?

They have smaller file sizes

They lack audio playback support

They have much larger file sizes

What is a common audio codec found in MP4 files?

AAC

WMA

FLAC