The Demo Combobulator
Turn any website into a polished, narrated video demo — with AI-scripted narration, automated browser recording, and your own cloned voice.
Describe
Give the AI a URL and tell it what the demo should show
Review
Edit the generated script, narration, and actions
Build
The system records the browser, generates TTS, and mixes the video
Download
Get your narrated MP4 demo — ready to share
Smart Mode (AI)
Describe what your demo should show in plain English. The AI visits the site, plans the script, writes narration, and generates the full step sequence.
- Enter the URL(s) and describe the demo
- AI generates the script with screenshots
- Review, edit, or revise with AI feedback
- Load into the builder and hit Build
Manual Builder
Build your demo step by step — add URLs, write narration, describe on-screen actions in plain English. Full control over every detail.
- Add steps with URLs and narration
- Describe actions (scroll, click, highlight)
- Choose your voice and background music
- Build and download the MP4
Record & Analyze
Record your screen while navigating a site and narrate as you go. The AI watches your recording, filters out mistakes, and builds a polished demo script from what you showed.
- Click record — your screen and mic are captured
- Navigate naturally and talk through what you're showing
- AI analyzes the recording and builds the script
- Review, edit, then build the final demo
Voice Lab
Clone your own voice for demo narration. Record samples, train a model with ElevenLabs, and test it — all from the browser. Your demos sound like you.
- Record 25+ voice samples (~10 min)
- Click Train — clips are merged and uploaded
- Test your voice with any text
- Your cloned voice is used in all future demos