Extract PCM Audio from MP4 Video

Convert MP4 to PCM in your browser for uncompressed sample data. The source remains on your device throughout local processing.

Drop files here or browse (MAX 500 MB)

Max 500 MB per file

Preview (optional)

When your browser supports it, your video appears here. If preview does not load, you can still convert your file normally.

Ready

0%

File name

Separate dialogue or music from a MP4 picture track
Prepare PCM for uncompressed sample data
Keep a PCM audio-only version for review, transcription, or editing

Select the MP4 source file
Name the PCM output before processing
Create PCM from the embedded audio
Download PCM and test it in the destination app

Encoding speed depends on the processor available to this tab while preparing PCM from MP4.
High-resolution MP4 footage increases conversion time and memory use.
Compare the PCM duration with the source before publishing.

PCM is appropriate for audio engineering, interchange, and analysis.
The MP4 source must contain a readable audio stream; a silent container cannot supply one.
For the next step, account for missing container metadata in raw files.

No sound found? Play the MP4 source and confirm it contains an audio track.
Extraction from MP4 slow? Reduce other processor activity and leave the page open until completion.
If PCM is rejected, compare its codec and stream settings with the destination specification.

Why extract PCM from MP4?

An audio-only PCM copy supports uncompressed sample data without retaining the MP4 picture.

Can every MP4 file produce PCM?

Only when the MP4 source contains a readable audio stream; video-only footage cannot produce useful PCM.

What should I check in PCM after extracting from MP4?

Listen through the PCM result for expected duration, channels, level, and synchronization before delivery.

Convert & process MP4 video

Helpful tools

Inspect media metadata