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Quick Start

Create your first professional demo video in under 5 minutes.

The Fastest Way

look quick https://your-app.com

This single command will:

  1. ✅ Capture your website
  2. ✅ Analyze the UI with AI
  3. ✅ Generate a professional script
  4. ✅ Record smooth cursor animations
  5. ✅ Add AI voiceover
  6. ✅ 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

look demo https://stripe.com -o stripe-demo.mp4

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

open stripe-demo.mp4
xdg-open stripe-demo.mp4
start stripe-demo.mp4

Preview Before Recording

Want to see what LooK will do before recording?

look demo https://your-app.com --dry-run

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:

look serve

This opens http://localhost:3847 where you can:

  1. Enter your URL
  2. Click Generate Demo or Live Record
  3. Edit the timeline and script
  4. Export your video

See the Web Editor Guide for details.

Multi-Page Demos

Want to showcase your entire site?

look walkthrough https://your-app.com --max-pages 5

LooK will:

  1. Discover all pages
  2. Prioritize the most important ones
  3. Create a cohesive narrative across pages

Silent Demo (No Voice)

look demo https://your-app.com --skip-voice

Common Patterns

Product Launch

look demo https://myapp.com \
  -d 30 \
  -v nova \
  -s energetic \
  -p youtube

Quick Social Share

look demo https://myapp.com \
  -d 15 \
  -p twitter \
  --skip-analysis

Full Feature Tour

look walkthrough https://myapp.com \
  --max-pages 5 \
  -d 90 \
  -v echo

What's Next?