Podcasters
Find long pauses before exporting or cutting in a DAW.
Free Silence / Dead-Air Detector
Find dead air in a local audio or video file. Adjust threshold, copy silence timestamps. Max 100 MB — nothing uploaded.
Runs in your browserNothing uploadedFree forever
Processed in your browser. Files never leave your device.
Private by design
Files stay on your device
Instant results
No account or wait queue
Always free
No watermarks or paywall
How to detect silence in audio or video
Three steps to list quiet ranges without uploading your file.
01
Choose a local file
Pick audio or video up to 100 MB. Decoding stays in your browser.
02
Tune threshold and min length
Set dB threshold and minimum silence duration, then re-analyze.
03
Copy silence timestamps
Export a list of start–end ranges or a chapter-style block for editing.
Why creators use this free silence detector
Locate pauses locally before you cut in a timeline editor.
Spot dead air before you edit
Get a timestamp list of quiet stretches so you know where to cut.
No upload, no cloud audio AI
Web Audio decode + RMS analysis only. Files never leave your device.
Adjustable sensitivity
Control threshold and minimum silence length for podcasts vs screen recordings.
Visual RMS overview
A simple energy bar view shows where quiet regions sit in the timeline.
Who uses a silence detector
Tutorial creators
Locate silence in screen recordings prior to text-based editing.
Editors
Generate a cut list of dead-air ranges to speed timeline cleanup.
Ready for the full Scribia workspace?
Cut dead air with text-based editing, zooms, and captions in Scribia’s browser editor.
Frequently asked questions
Answers about privacy, limits, and how this free free silence / dead-air detector works.
Do you upload my audio or video?
No. Decoding and silence detection run entirely in your browser.
Why did decoding fail?
Browsers differ on codecs. Try WAV, MP3, or MP4/WebM. Safari often supports fewer formats than Chrome.
What is the file size limit?
100 MB for this free tool to keep browser memory safe.
Is the silence detector free?
Yes. Free with no signup or watermark.
Ready to cut the silence?
This tool lists quiet ranges. Scribia’s editor helps you trim screen recordings with transcript-based cuts.
Browser-only processing
No file uploads
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