No upload, 100% local, no account

Mute video (remove audio)

Strip the audio track from your video. Instant copy mode keeps the picture untouched, or re-encode for players that need it.

How Mute video works

Remove the audio track from any video file in your browser using ffmpeg WebAssembly. The tool drops the audio stream with ffmpeg's -an flag while stream-copying the video with -c:v copy. Because no pixel is decoded or re-encoded, the output is bit-for-bit identical to the original in terms of visual quality, and the operation completes almost instantly regardless of how long the clip is.

Muting a video is useful for social posts that auto-play without sound, background loops for presentations, video assets for websites where you control audio separately with JavaScript, or simply to strip a confidential meeting recording of its spoken content before sharing the slides. There are no watermarks, no account required, and the silent file downloads directly to your device.

Written by Bastien Sulyan

How to use Mute video, step by step

  1. Drop or select the video file whose audio you want to remove.
  2. Confirm the tool has detected the file correctly.
  3. Click Mute to run ffmpeg with -an on your device.
  4. Download the silent video file when the process finishes.

Common use cases

  • Preparing a looping background video for a website landing page where audio would be intrusive.
  • Stripping recorded meeting audio before sharing a screen-capture video of a slide presentation with external stakeholders.
  • Creating a silent version of a social video to avoid auto-play sound complaints on platforms that mute by default.
  • Removing wind noise or background chatter from a drone clip before re-adding a clean narration with the add-audio-to-video tool.

Frequently asked questions

Does muting a video affect its visual quality at all?

No, not by a single pixel. ffmpeg passes the video stream through with -c:v copy, meaning the compressed video data is not decoded or re-encoded. The output file is identical to the original in resolution, frame rate, colour, and every other visual attribute. The only difference is the absence of an audio stream.

Is the video uploaded to a server when I mute it?

No. ffmpeg.wasm runs -an and -c:v copy inside your browser tab. Your video is read into local memory and the silent version is created there, then downloaded to your device. The browser's Network tab will show no outgoing request carrying your video data.

Why is muting so much faster than compressing or converting?

Muting drops one stream and copies the other untouched. There is no decoding, no filtering, and no encoding of any frame. The time is essentially the container rewrite time, which is proportional to the number of frames in the file header, not the video content itself. A 2-hour video takes the same few seconds as a 30-second clip.

Can I mute only a portion of a video and keep audio on the rest?

This tool removes audio from the entire clip. To silence only a specific segment, trim that segment out with the video-trim tool, mute it here, then rejoin the silent segment and the audio-bearing segments using the video-merge tool.

What containers does the mute tool accept?

ffmpeg.wasm reads MP4, MOV, WebM, MKV, AVI, and most common formats. The output matches the source container when possible. If the source container cannot represent a video-only stream cleanly (rare), the tool falls back to MP4.

Does the file size decrease significantly after muting?

It depends on how prominent the audio track was. For a typical talking-head video where audio is a large fraction of the file, removing it can cut file size by 10-30 percent. For a high-bitrate 4K clip with a small stereo track, the saving is a smaller proportion.