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Why this runs on your computer

There is no upload: The work happens in this tab. Your file never travels, so there is no copy of it anywhere but your own disk.
Nothing to delete later: Sites that upload promise to delete your file afterwards. That promise only matters because the file was theirs to hold.
It works with the Wi-Fi off: The honest test. Turn off your connection and the tools keep working, because everything they need is already here.

Drop your video hereto remove its sound

Nothing is uploaded - the tools run right here

Applies to every loaded image

Look Strength 100% Brightness Contrast Saturation Vibrance Vignette

Max width

Format Shape

Colours 6 Detail 1 Smooth curves

Shape Size Across Down Border

Text Where

100%

Mute video - MKV files, without uploading

Strip the sound out of a clip, without re-encoding it, starting from MKV video - here in this tab, with nothing uploaded.

How to mute video (MKV)

Drop your MKV file in.
Press Remove the sound.
Save the silent clip.

Why this one stays private

Muting is often about removing something you did not mean to record - a conversation in the background. Uploading it first defeats the point entirely.

Questions

Does this work with MKV files?

Yes - that is what this page is set up for. MKV is the archivist's container: it holds anything, but few devices play it directly.

Is the audio really removed?

Yes. The saved file has no audio track at all, not a silent one, so there is nothing left for anyone to turn back up.

Does the video get re-encoded?

No. The audio track is dropped and everything else is copied across byte for byte, in the same format - so it is quick, even for a long clip, and loses nothing.

How to mute video (MKV)

Why this one stays private

Questions

The same tool, other formats