AutoCut AIv1.0
Engine Ready
Free to Use · No Watermark · No Signup · Browser-Based · Privacy Focused

Edit Videos Automatically. Free. No Watermark.

Remove pauses, silence, filler words, repetitions, and dead air automatically — directly in your browser.

Drop your video here, or browse filesMP4, WebM, or QuickTime MOV up to 4K
Free to use • Export without watermark • No account required
100% Free
No Watermark
No Signup Required
Works in Your Browser
Your Video Stays on Your Device
1 Upload→2 Analyze→3 Review Cuts→4 Export
How It Works

Upload → Analyze → Review Cuts → Export

Zero learning curve. Transform unedited raw footage into snappy, professional content in seconds.

01Upload

Local Ingestion

Drop your video file into your browser. The file stays entirely on your device with zero upload wait time.

02Analyze

AI Speech Detection

Acoustic VAD and formant analysis automatically detect pauses, awkward silence, hesitations, and filler words.

03Review

Instant Timeline Review

Preview seamless cuts on the interactive waveform. Toggle individual cuts, zoom 1x-4x, and adjust pacing.

04Export

Fast MP4 Export

Render your polished video directly in your browser with FFmpeg.wasm. No watermark, full quality, 100% free.

Visual Comparison

Original Video → AutoCut AI → Faster, Cleaner Video

Less Dead AirBetter PacingCleaner Delivery
Original Video (Uncut Raw Footage)00:54.20 • 8 awkward pauses
Speech 1
Silence 1.8s
Speech 2
"um..."
Speech 3
Dead Air 2.2s
AutoCut AI (Cleaned Video)00:35.80 • 18.4s saved (34% faster pacing)
Speech 1
Speech 2
Speech 3
Built For Modern Content

Why Creators Choose AutoCut AI

Engineered to deliver professional jump cuts in seconds without the friction of subscriptions or slow cloud renders.

Free Forever

Edit and export without a paid subscription.

No Watermark

Your exported video stays clean and professional.

Automatic Silence Removal

Remove awkward pauses and dead air automatically.

AI-Powered Speech Detection

Distinguish speech from non-speaking audio and ambient noise.

Runs Locally

Process videos directly in the browser without uploading them to a server.

Built for Creators

Perfect for YouTube, Shorts, Reels, podcasts, interviews, and educational videos.

Technical Architecture & Privacy Guarantees
Audio IngestionDownsampled 16kHz mono Web Audio buffer. Raw PCM is purged immediately after acoustic calculation to preserve browser heap.
Acoustic AnalysisFormant bandpass filtering (280–3400Hz), pitch harmonicity autocorrelation, leaky noise floor estimation, and dual-threshold hysteresis VAD.
Safety ValidatorMode-aware validator enforcing 40-100ms consonant padding, speech continuity protection, and head/tail anchors.
Video RenderingFFmpeg.wasm 0.12 with PTS/DTS normalization (`setpts=PTS-STARTPTS`, `asetpts=PTS-STARTPTS`) and CRF H.264/AAC encoding.