Rescreen / Free tools / Remove silence from video
Remove silence from video
A free silence remover for screen recordings, talks and voice-overs. It finds the pauses, shows you each one, and cuts the ones you choose, with the picture and sound kept in step. Everything happens in your browser: the video is never uploaded. No account, no watermark.
Remove silence from a file
This browser cannot edit video. The tool needs WebCodecs, which is in current Chrome, Edge and Safari on a computer. Open this page in one of those and try again.
Drop a video here
or choose one from your device
MP4, MOV, WebM or MKV, up to 2.0 GB. Stays on your device.
- File
- Contains
- Length
Starting…
cut kept pause threshold · click to jump there
Pauses found
Untick a pause to keep it — for example where you wait for a page to load or point at something on screen.
How to remove silence from a video
From a recording with dead air to a tighter MP4.
Choose a video
Choose or drop a video. The page decodes its sound and measures how loud it is every hundredth of a second. Nothing is uploaded; a ten-minute recording takes a few seconds.
Review the pauses
The timeline shows the sound level, the threshold line and every cut. Press play to hear the result with the pauses skipped, or switch to Original to compare.
Adjust if needed
Move the threshold until the cuts sit in the gaps and not on quiet words, set how long a pause must be before it is cut, and how much air to leave either side. Untick any pause you want to keep.
Export and download
Press Export MP4. The video is re-encoded without the cut pauses, then opened again and checked for length before you can download it.
What this silence remover does, and what it does not
It cuts silence: stretches where the sound stays below the threshold for longer than the minimum pause. That covers dead air at the start and end, the gap while you think of the next sentence and the wait while a page loads. Each cut is made at the same instant in the picture and the sound, so lips, clicks and narration stay together however many cuts there are, and each join fades over four milliseconds so it does not click.
It does not understand speech. An “um”, an “uh” or a false start is sound, not silence, so it stays in. Finding those needs a transcript; our guide to removing filler words from a videocovers how to do that in Descript, Premiere and CapCut, and why it is best kept as a separate pass from shortening pauses.
Long gaps between sentences
Waiting for a page to load
“Um”, “uh” and false starts
Pauses you untick
It hears level, not words. Fillers need a transcript-based editor.
Worked example
The sample clip is twelve seconds: two seconds of silence, a sentence, a 1.6-second pause, a sentence with a short 0.4-second breath in the middle, another long pause, a last sentence and a second of silence. With the default settings the tool proposes four cuts — the start, the two long pauses and the end — and leaves the short breath alone because it is under the 0.8-second minimum. Just over five seconds go, and the counter in the picture jumps at each join while the voice runs on without a gap.
A screen recording is the same, with one difference: a pause is sometimes the point. If you stop talking while you click through a menu, the cut would skip the click. Untick that pause in the list, and it stays however you change the settings afterwards.
cut kept pause
- Length
- 0:12
- Pauses cut
- 4 — start, two gaps, end
- Kept
- One 0.4 s breath, under the 0.8 s minimum
Checked: 5.3 seconds shorter, picture and voice in step at every join.
Choosing the settings
- Threshold. The page suggests one for each recording, a third of the way from its background noise up to its voice, because a fixed number suits one microphone and ruins another. If quiet words at the ends of sentences turn red on the timeline, lower it; if obvious gaps are not cut, raise it.
- Minimum pause. 0.8 seconds keeps normal speech rhythm. Go to 0.5 for a fast, tight edit; go above 1.5 to remove only the long gaps.
- Padding. 0.2 seconds either side keeps the soft start and end of words. Below 0.1 the edit starts to sound breathless.
Which browsers it works in
The tool uses WebCodecs, the browser’s own video decoder and encoder. We have tested it in a Chromium-based browser (the engine behind Chrome and Edge) on a Mac, at desktop and phone widths, with MP4 and WebM files, a sound-only file and real speech, checking that sound and picture line up across every cut. Safari and Firefox provide WebCodecs too but have not been tested yet. Where a browser has no built-in AAC encoder, as in Firefox, the page downloads a small open-source one (about 1 MB) the first time it is needed; it runs on your device like everything else. If a browser cannot decode a particular file, the page says so before you start.
Limitations
- Files up to 2.0 GB and 3 hours. The edited video is held in memory until you save it, so a phone may run out of memory well before that.
- The result is always an MP4 with H.264 video and AAC audio, re-encoded at a bitrate based on the original. A sound-only file becomes an .m4a.
- Only the first video and audio tracks are kept; subtitles and chapters are dropped.
- Loud background music or constant noise leaves nothing below the threshold to cut. The tool works on level, not on voice.
- The preview jumps over pauses as it plays and may stutter on some files. The exported file is cut exactly.
Is my video uploaded?
No. The file is decoded, measured, cut and checked inside this page and never sent anywhere. We count anonymous page views and whether an edit started, finished or failed, and why it failed from a fixed list of reasons; those events never include the video, its name, its length or where the cuts are. See the privacy policy.
Only on your device
Your video is never uploaded.
Frequently asked questions
Planning the next recording? Time your narration first with the script timer, or check your sound with the microphone test.
Does it remove “um” and “uh”?
No. Filler words are speech, and this tool only hears level. Use a transcript-based editor for those; the filler-word guide walks through it.
Will it cut off the start of my words?
Not with sensible settings: every cut leaves the padding you choose on both sides, and the timeline shows exactly where each one falls before you export. If the threshold is set too high, quiet word endings can count as silence, which is why the suggestion starts low.
Does it lose quality?
The video is re-encoded, which changes the picture slightly. The bitrate follows the original’s and never drops below what keeps screen text readable.
Is there a watermark or a time limit?
No watermark. Recordings up to 3 hours and 2.0 GB.
Spend less time editing
your next recording.
Create an account and record your first video in your browser.