Remove Audio from Video

The picture is not touched at all

This is the difference between doing it here and doing it through a tool that uploads your file.

Removing audio does not require changing the video, so the video stream is copied straight through rather than decoded and re-compressed. The result is not a very good copy of your original; it is bit-for-bit the same picture, with the audio track simply absent. And because nothing is re-encoded, a large file finishes in seconds instead of minutes.

Upload-based tools generally re-encode, because their pipeline normalises everything that passes through it. You usually cannot see the loss on one pass, but it is real, and it compounds if the clip goes through another tool afterwards. Here there is nothing to compound.

It also keeps the original container. An MOV comes back as an MOV, an MKV as an MKV, a WebM as a WebM — rather than everything coming back as an MP4 whether you wanted one or not, which is what most converters do. If your clip is going into an editing project that expects a particular format, that matters.

Four reasons people actually do this

A music claim on a social upload. The most common reason by some distance. Your video has a track playing in the background — from a radio, a shop, a gym, a phone — and the platform detects it and mutes the video, blocks it in some countries, or routes the revenue elsewhere. Removing the audio entirely gets the video published, and you can add your own licensed track afterwards.

The sound is unusable. Wind across a phone microphone, a noisy room, handling noise, a fan. Silence is very often better than bad audio, and viewers forgive silence far more readily than they forgive noise.

Something was said that should not be shared. A conversation caught in the background of a clip you are sending on, a name, a phone number read aloud. This is the case where it matters that the file is never uploaded.

It is going into an edit. B-roll, a screen recording that will get a voiceover, a clip destined for a montage with its own soundtrack. Muting the source first keeps the timeline clean.

Two things it will not do

It removes all of the audio, not part of it. There is no way to keep the speech and drop the music, because in a finished video those are mixed into a single track — separating them again is a different and much harder problem. If you need the voice, you need the original recording or a dedicated separation tool.

It will not shrink the file much. Audio is typically a small share of a video's size — often well under a tenth — so removing it saves a little and no more. The tool shows you the before and after size, and the number is usually smaller than people expect. If a smaller file is the actual goal, compressing the video is what does that; removing the audio is a rounding error by comparison.

Keep the original

Obvious but worth saying: the output has no audio and there is no way to put the original track back from the muted file. Keep the source until you are sure, especially if you might later want the sound after all — the natural sound of a clip is often worth more in an edit than people think, even when it is not going to be the main audio.

Related tools

Add Audio to Video does the reverse and puts a new track on — the usual next step after muting a clip for a copyright claim. Video to MP3 saves the existing audio as a file first, which is worth doing before you remove it if there is any chance you will want it, and Video Compressor is the tool to use when the real goal is a smaller file.