Mute Video Online Free: Remove Audio from MP4, MOV, WebM

Strip the audio track from any video while keeping pixel-perfect video quality. Useful for screen recordings, social posts, mobile reels and silent demos. 100% in your browser, no upload.

100% Private
Lossless Video
No Watermark
Mobile Ready
Setup

How to Mute a Video in 3 Steps

Drop, mute, download. Video quality stays untouched.

1

Upload your video

Drag your MP4, MOV, WebM or AVI file. Files up to 2 GB supported, no account needed.

2

Click Mute

The audio track is removed without re-encoding the video, your video stays bit-perfect identical to the original. Process completes in seconds even for hour-long files.

3

Download silent video

Pick same format (MP4 → MP4, no quality loss) and click Download. The silent file saves directly to your device.

For Social Posts, Tutorials and Background Loops

When the video matters but the audio doesn't (or shouldn't).

Lossless Mute

We remove the audio stream from the container without re-encoding video, output is identical to input pixel-perfect, only the audio track is gone.

Multi-Format Support

MP4, MOV, WebM, AVI, MKV, FLV, all supported. Output preserves the original video format and codec.

Total Privacy (WASM)

Everything runs locally in your browser via WebAssembly. Your video never leaves your device, perfect for confidential screen recordings or NDA content.

Instant Processing

No upload waits, no re-encoding queue. A 30-minute video processes in 3-5 seconds on modern hardware.

Smaller Output

Removing the audio track typically reduces file size by 5-15%, depending on the original audio bitrate.

No Limits, No Watermarks

Free forever, no per-session limits, no sign-up required, no watermark on output.

Why Mute a Video? Real-World Reasons

From copyright safety to better social engagement, here's when muting matters.

Copyright protection on social

Instagram, TikTok and YouTube all run automated copyright detection on uploaded video audio tracks. If your screen recording, family video or product demo has even a few seconds of background music from a song, your post can get muted, flagged or removed. Stripping the audio before upload solves this entirely, and you can replace it with royalty-free music or voice-over later.

Most 'copyright strikes' on social are about audio, not video. Mute first, ask questions later.

Cleaner background loops

Background videos for websites, presentations, retail screens or video calls should be silent, they're decorative, not narrative. Most stock footage comes with a generic music or ambient track that competes with whatever else is playing. Muting before deploying gives a clean, distraction-free loop.

Silent background video > video with random music. Always.

Privacy-sensitive recordings

Screen recordings of confidential apps, meeting recordings where someone said something off-the-record, family videos with audio you don't want to share, sometimes the safest move is to keep the visuals and remove the audio entirely. DuneTools' WebAssembly processing means your video never reaches a server, so even the act of muting stays private.

Removing audio is the simplest privacy filter for video.

Real-world use cases

Social media managers: prep video for Instagram/TikTok without copyright risk. Web designers: hero background videos that don't blast audio at unsuspecting visitors. Podcasters: extract just the audio of a recorded video call (use Extract Audio for this), or remove audio for B-roll. Educators: silent demo videos for lecture slides. Privacy-conscious users: scrub audio metadata from family or work recordings before sharing.

Muting is the universal first step for video that's about to be repurposed.

Mute Video, Frequently Asked Questions

Quick answers about the tool

How do I mute a video online for free?
Upload your MP4, MOV or WebM video, click Mute, and download. The whole process takes seconds and runs entirely in your browser. The output is identical to the input video, just without the audio track.
Will the video quality drop after muting?
No. We remove the audio stream from the container without re-encoding the video, your output is bit-perfect identical to the original frames. Quality loss only happens if you choose to convert format (e.g. MOV → MP4 with re-encoding).
Can I keep some audio and remove other parts?
This tool removes all audio. For partial muting (silence specific sections), use Trim Audio on the audio track separately, then re-merge with the video using a desktop editor like Shotcut or DaVinci Resolve.
What video formats are supported?
MP4, MOV, WebM, AVI, MKV, FLV. Output preserves the original format. Pick a different format to convert (which involves re-encoding video and minor quality loss).
Is my video uploaded to your server?
No. Everything is processed locally in your browser via WebAssembly. Your video never travels to any server, no copies are kept, closing the tab erases all data.
Will muting reduce the file size?
Yes, slightly. Removing the audio track typically saves 5-15% of file size, depending on the original audio bitrate. A 100 MB video with 256 kbps stereo audio might become 88-92 MB after muting.
Can I mute multiple videos at once?
Yes, upload several videos at once and the tool processes them sequentially. At the end you'll download a ZIP with all the muted files named after the originals.
What's the maximum file size?
No server limit (there's no server). Real limit is your device's RAM. An 8 GB laptop handles 2 GB videos comfortably. On mobile, files under 500 MB give the best experience.

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