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MP4 to WAV Converter

Turn the sound of an MP4 video into an uncompressed WAV file for editing or mastering. Drop a .mp4 file below and the output is already set to WAV.

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or drag and drop files here

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Video & Audio Converter

Total Estimated Output Size: 0.00 KB

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Select Settings

Video

Audio

Format

Resolution

Advanced Settings

FORMAT

MP4

WEBM

MKV

MOV

FLV

AVI

TS

Selected Files

Add File

Select All

Select Settings

Video

Audio

Format

Resolution

Advanced Settings

FORMAT

MP4

WEBM

MKV

MOV

FLV

AVI

TS

Total Estimated Output Size: 0.00 KB

Convert

How to Convert MP4 to WAV Online

1

1

Upload your MP4 file

Drag and drop your .mp4 file onto the page or click to browse. You can select several MP4 files at once to batch-convert them.

2

2

WAV is preselected

The output format is already set to WAV, so you can convert immediately. If you need to, adjust the audio codec, bitrate or sample rate in the settings panel first.

3

3

Convert and download

Click Convert. The WAV file is processed on your own device; nothing is uploaded to a server. When it finishes, click Download to save it (or Download all to get a batch as a ZIP).

Why Convert MP4 to WAV?

WAV is the format audio editors, DAWs and transcription tools prefer because it is uncompressed PCM with no decoding overhead. Converting MP4 to WAV gives you a clean, editable copy of the video's soundtrack that you can slice, mix or process in Audacity, Adobe Audition, Logic or Pro Tools without generation loss.

Because WAV stores every sample, the file will be considerably larger than the original MP4's audio track, roughly 10 MB per minute for CD-quality stereo. That is the right trade-off when you plan to edit the audio; choose MP3 instead if you only want to listen.

  • Private by design: your MP4 file is converted on your own device and never uploaded.
  • WAV preselected: the output format is already chosen, so it is a one-click conversion.
  • Batch friendly: convert several MP4 files in one go and download them as a ZIP.
  • No limits, no watermark: free for files of any size, with nothing stamped on the output.

MP4 vs WAV

MP4 (MPEG-4 Part 14): MP4 is the most widely supported video container in the world. It usually carries H.264 or H.265 video with AAC audio, plays on every phone, browser, TV and editing app, and is the safest choice for sharing. It is best for sharing, social media, web playback and mobile devices.

WAV (Waveform Audio File Format): WAV stores uncompressed PCM audio exactly as it was recorded. It is the standard for audio editing, mastering and archiving, at the cost of large files (about 10 MB per minute of CD-quality stereo). It is best for editing, mastering, DAWs and archiving.

In short: keep MP4 when the priority is sharing, social media, web playback and mobile devices, and switch to WAV when the file is headed for editing, mastering, DAWs and archiving. Need a different target? The full Video Converter supports every format listed below.

MP4 to WAV FAQ

01

Will MP4 to WAV improve the audio quality?

No. WAV preserves exactly what was in the MP4's AAC track, but it cannot restore detail the original compression already removed. It does prevent any further loss during editing.

02

Which sample rate should I pick?

Keep the original sample rate (usually 48 kHz for video, 44.1 kHz for music) unless your project requires a specific one. Resampling adds processing without adding quality.

03

Is this MP4 to WAV converter free?

Yes. Converting MP4 to WAV on MediaConverter.io is completely free, with no watermark, no sign-up and no daily conversion limit.

04

Are my MP4 files uploaded to a server?

No. The converter runs inside your browser using WebAssembly and WebCodecs, so your .mp4 file is read and converted on your own device. Nothing is uploaded, which keeps private recordings private and means there is no waiting in an upload queue.

05

Is there a file size limit for MP4 to WAV?

No fixed limit. Because processing happens locally, the practical limit is your computer's memory and patience; multi-gigabyte MP4 files convert fine on a desktop browser. Very large files take longer on phones.

06

Which browsers support the MP4 to WAV converter?

Current versions of Chrome, Edge, Firefox and Safari on desktop all work. Chrome and Edge are fastest because they expose hardware-accelerated WebCodecs decoders.