Quick Start¶
Create your first professional demo video in under 5 minutes.
The Fastest Way¶
This single command will:
- ✅ Capture your website
- ✅ Analyze the UI with AI
- ✅ Generate a professional script
- ✅ Record smooth cursor animations
- ✅ Add AI voiceover
- ✅ Export a polished video
Your video is saved as demo.mp4.
Step-by-Step Example¶
Let's create a demo for a real website:
1. Choose a URL¶
2. Watch the Progress¶
✓ Checking dependencies...
✓ Analyzing website with AI vision...
✓ Generating script...
✓ Recording browser...
✓ Rendering cursor and effects...
✓ Generating voiceover...
✓ Composing final video...
3. View Your Demo¶
Preview Before Recording¶
Want to see what LooK will do before recording?
This shows you:
- The AI analysis results
- The generated script
- Planned recording actions
No credits used, no video recorded.
Customize Your Demo¶
Duration¶
# Short Twitter clip (15 seconds)
look demo https://your-app.com -d 15
# Detailed walkthrough (60 seconds)
look demo https://your-app.com -d 60
Voice¶
# Deep, authoritative
look demo https://your-app.com -v onyx
# Bright, energetic
look demo https://your-app.com -v shimmer
| Voice | Description |
|---|---|
nova | Warm, professional (default) |
alloy | Neutral, balanced |
echo | Smooth, narrative |
fable | Expressive, storytelling |
onyx | Deep, authoritative |
shimmer | Clear, upbeat |
Style¶
# Casual, friendly
look demo https://your-app.com -s casual
# High-energy launch video
look demo https://your-app.com -s energetic
Export Format¶
# Twitter-optimized
look demo https://your-app.com -p twitter
# Instagram square
look demo https://your-app.com -p instagram
# TikTok vertical
look demo https://your-app.com -p tiktok
Using the Web Editor¶
For a visual experience:
This opens http://localhost:3847 where you can:
- Enter your URL
- Click Generate Demo or Live Record
- Edit the timeline and script
- Export your video
See the Web Editor Guide for details.
Multi-Page Demos¶
Want to showcase your entire site?
LooK will:
- Discover all pages
- Prioritize the most important ones
- Create a cohesive narrative across pages