Convert MP4 to WAV

Extract the audio from an uploaded MP4 file and save it as a WAV file for editing, archiving, or audio processing workflows.

Drag and drop your MP4 file here, or choose a file

Drag files here. Maximum size — 5 GB

Why convert MP4 to WAV?

  • Extract audio from a video for listening or editing.

  • Prepare audio for recording or production workflows.

  • Separate spoken content from a video file.

  • Use WAV in applications that work with uncompressed audio.

  • Create an audio copy for analysis, transcription, or archiving.

MP4 video vs WAV audio

MP4 input
MP4 input
  • May contain video, audio, subtitles, and other media data.
  • Audio is only one part of the overall file.
  • May use compressed audio to reduce file size.
WAV output
WAV output
  • Contains audio only.
  • Does not include the original video stream.
  • May require considerably more storage space.

MP4 combines multiple media streams, while WAV stores audio only. The conversion extracts available audio but cannot recreate sound that is missing or restore information lost before conversion.

How to convert MP4 to WAV

Upload your MP4 file
Choose an MP4 file from your device or drag it into the upload area.
Start the conversion
Extract the available audio and create a WAV output from the uploaded file.
Download the WAV
Save the generated WAV file and verify that it matches your intended workflow.

Common use cases

Audio editing

Open the extracted WAV file in audio editing software for trimming, mixing, or processing.

Speech transcription

Prepare audio from a video for manual review or transcription workflows.

Podcast production

Extract spoken content from recorded video before additional audio work.

Audio archiving

Keep a standalone audio version of a video when only the sound is needed.

Media organization

Separate audio and video into individual files for project management.

Convert MP4 to WAV online

Free online converter for converting files from MP4 to WAV.

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Convert MP4 to other formats

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Convert to WAV: supported formats

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Frequently Asked Questions

Only if the uploaded MP4 contains a usable audio track. If the source has no audio or the audio cannot be processed, a WAV file may not be produced.

Not necessarily. Converting to WAV does not restore audio detail that was already lost in a compressed source.

WAV commonly stores audio with much less compression than many formats used inside MP4 files, so the resulting file can require significantly more storage.

The output is based on the available source audio. Duration may vary if the input is damaged, incomplete, or cannot be processed exactly as expected.

Not always. The resulting WAV depends on the source audio and the conversion process, so channel configuration and other audio properties may differ.

Conversion may fail if the MP4 file is damaged, unsupported, incomplete, or does not contain a usable audio track.

About MP4 to WAV conversion

An MP4 file can contain several types of media, including video and one or more audio tracks. This conversion creates a WAV file from the available audio without including the video portion of the original file.

If the uploaded MP4 does not contain a usable audio track, the conversion cannot create audio that was never recorded. Silent videos or files with unsupported or damaged audio may therefore fail to produce a WAV result.

WAV files commonly occupy much more storage space than compressed audio because they are designed to store audio data with less compression. The final file size depends on the source material and the resulting audio characteristics.

Converting to WAV does not recover detail that was previously removed by audio compression. The resulting quality, channel configuration, duration, and other audio properties depend on the source file and should be checked before further use.