Remove Silence From Video Automatically
BlitzCut finds every pause, breath, and dead beat in your footage and cuts them in one pass. A 20-minute talking-head recording becomes a tight 12-minute video without you touching a timeline — on iPhone, iPad, and Mac.



Every recording is full of pauses, breaths, and dead air — and scrubbing through hours of footage to cut it all out by hand is one of the most tedious parts of editing.
BlitzCut's AI listens to your full recording once and marks every silent gap automatically, so you start editing with the dead air already gone — no scrubbing required.
Everything you need for silence removal
Automatic silence detection
AI scans your full recording and flags every pause, breath, and dead-air gap.
One-tap removal
Strip all detected silence in a single action — no manual scrubbing.
Adjustable sensitivity
Control how aggressive the cut is, from subtle tightening to maximum pace.
Frame-accurate cuts
Cuts land precisely so removed silence never clips your words.
How silence removal works
Three steps from raw footage to finished video.
Import your recording
Add a video from your camera roll, podcast export, or screen recording.
AI detects every silence
BlitzCut scans the full audio track and flags every pause and gap in seconds.
Review and export
Adjust sensitivity if needed, then export a tight, dead-air-free video.

Defaults work for most voices — tweak sensitivity and duration if you want a different result.
Built for fast turnaround, not heavyweight editing suites
- Runs on-device — no upload required
- Adjustable sensitivity for any speaking style
- Frame-accurate, never clips your words
- Works on short clips and multi-hour recordings

Built for creators like you
For podcasters
Turn a raw two-hour recording into a tight, listenable episode without scrubbing playback.
For YouTubers & creators
Remove every "um," pause, and dead beat before you even start editing.
For course & webinar creators
Cut long-form recordings down to publish-ready length in minutes.
Try every feature free
Free 3-day trial, then plans from $6.99/week. Cancel anytime — no commitment.
Frequently asked questions
- How do I remove silence from a video automatically?
- Use an editor that detects silence from the audio track and cuts it in one pass. BlitzCut does this on iPhone, iPad, and Mac: import the clip, run silence removal, and every gap is cut at once with a sensitivity control for how aggressive the result should be. Descript, TimeBolt, and Gling do the same job on desktop; CapCut and iMovie have no equivalent, so pauses have to be split and deleted by hand.
- Does silence removal work on iPhone?
- Yes. Silence removal runs natively on iPhone, iPad, and Mac — no desktop required. Most silence-removal tools are desktop or web only, which is the main reason people ask.
- Will it cut off my words or sound choppy?
- Default settings are tuned to be accurate for most voices and recording conditions, but no auto-detection is perfect. Choppiness comes from cutting too close to the start of words, or from a threshold so tight that natural breathing pauses disappear. If you notice a clipped word, loosen the sensitivity and duration settings to dial in the best result for your voice.
- How much time does silence removal actually save?
- On typical unscripted talking-head footage, 20-40% of the runtime is silence. Cutting it by hand on a 20-minute recording is a 1-2 hour job. Automatically it's one pass plus a review.
- Can I undo or adjust after removal?
- Yes. Removed silence stays editable on the timeline so you can fine-tune any cut.
Free to download · 3-day free trial · Cancel anytime