Mute a Video: Remove the Sound Track

How to mute a video

1. Choose the video above. The file card shows its length, picture size and codecs, so you can check it really has sound before going further.
2. Press "Remove the sound". There are no settings: the whole sound track is dropped.
3. Download the result. Its file name ends in "-muted", and the result card confirms the picture was copied without re-encoding.

If the file has no sound track to begin with, the tool tells you as soon as it has read the file, so you don't wait for a pointless pass.

What muting actually does to the file

A video file is a container holding separate streams: one for the picture, one or more for sound, and sometimes subtitles. Muting here means building a new container that holds the same picture stream and simply leaves the sound out. The picture's compressed frames are copied as they are; nothing is decoded and compressed again.

That has three practical consequences:

• The picture is exactly as good as before. There is no generation loss, because no frame is re-encoded.
• It is fast. Copying is limited by how quickly your device reads and writes the file, not by processing each frame, so even a long recording is done in seconds.
• The file shrinks only by the size of the sound track. Sound is usually a small share of a video's size, so don't expect a big drop. To make a file genuinely smaller, use the video compressor.

MP4, MOV or M4V in

MP4 out

WebM in

WebM out

MKV in

MKV out

Picture

copied without re-encoding

Sound

removed completely; no silent track is added in its place

Because nothing is encoded, muting doesn't depend on your browser being able to encode video, which most of the other editing tools here do. The file stays on your device; it is read in the browser tab and the muted copy is written there too. Large results are written to the browser's private storage when it is available, otherwise built in memory, so keep the tab open until the download appears.

Why people remove the sound

Replace the sound instead of removing it

If the goal is to swap the soundtrack, you don't have to mute first. The add audio to video tool puts a new music track or voice-over in place of the original in one pass, again without re-encoding the picture.

If you want the opposite, keeping the sound and discarding the picture, extract the audio from the video as an MP3, M4A or WAV. That is also a sensible step before muting if you might want the original sound later, for example to transcribe it on the audio to text page.

For a translated soundtrack in another language, AI dubbing is the route: it replaces the speech with a voice in one of 19 languages that copies each original speaker. That is a paid feature (50 credits per minute, minimum 2 minutes), and for it only the audio track is uploaded, then deleted within 30 minutes of the job finishing.

What this tool doesn't do

• It can't silence only part of a video. The whole sound track goes. To quiet just one stretch, extract the audio, silence that range in an audio editor such as Audacity, then add the edited sound back with the add audio tool.
• It doesn't insert a silent track. A few upload forms and editors expect every video to have sound; if one complains, add a short silent audio file with the add audio tool and the result will be as long as the video.
• It doesn't lower the volume or remove background noise selectively. It is all or nothing.
• It doesn't separate voice from music. Removing a song but keeping the speech needs source separation, which is a different kind of tool.

If you only need a section of the video, trim it first, then mute the shorter file. Both steps copy the picture, so neither costs quality.

Muted files that won't play

A muted MP4 plays wherever the original did, since the picture stream is unchanged. If a player still shows a sound icon or a volume bar, that is normal: many players show those controls regardless. If an exported video has no sound when you expected some, the problem is usually elsewhere, and the guide to exported videos with no sound walks through the usual causes.