videocaptions.ai
Generate Captions
Remove Silence

Cut the dead air out of a video

Detect the silent gaps and drop them in one pass. Everything runs on your device.

FreeNo uploadRuns in your browser

remove-silenceFree
Drop a video or audio file here, or click to browseMP4, WebM, MOV, MKV, MP3, WAV, AAC supported

Auto-detect

RMS-based silence detection with tunable sensitivity

Preview

See exactly what will be cut before applying

Export

Render the result and download as MP4

Looking for acaption builder?

The same team builds videocaptions.ai. Add animated captions to a Reel, a Short or a TikTok in about a minute.

Add captions to a video
About This Tool

How do I remove silence from a video automatically?

This tool scans your video or audio waveform, finds the silent stretches, and cuts them out automatically. You control the sensitivity threshold and minimum pause length, preview exactly which regions will be removed, and export the tightened result as MP4. Everything runs in your browser, so nothing is uploaded.

Cutting dead air is the fastest way to make talking-head videos, podcasts, tutorials, and voiceovers feel professionally edited. What normally takes an hour of manual timeline work happens in seconds, and it is free with no watermark.

How It Works

Three steps, no signup

  1. 01

    Drop your file

    Drag in a video or audio file. The tool builds a waveform so you can see the quiet parts at a glance.

  2. 02

    Tune the detection

    Adjust the silence threshold and minimum gap. Detected regions highlight on the waveform for review before you commit.

  3. 03

    Apply and export

    Remove the silent regions in one click, preview the tightened cut, and export as MP4 on your device.

FAQ

Quick answers

Yes. Detection, editing, and export are free with no watermark and no signup.

No. The waveform analysis and the edit both run locally in your browser. Private recordings stay private.

Yes. You set the loudness threshold and the minimum silence duration, so you can trim only long pauses or tighten everything down to broadcast pacing.

Detected regions are shown on the waveform before anything is removed, so you can loosen the threshold if a cut feels too tight, then re-run detection instantly.

Talking-head videos, podcasts, lecture recordings, tutorials, and voiceovers: any content where dead air makes the pacing drag.

Yes. Open the exported file in the VideoCaptions.AI caption builder to add animated word-by-word captions for Reels, TikTok, or Shorts.

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