Colors
Rendered text, background, and border colors that shape a page.
Chrome extension for designers & developers
See the system behind every website.
Design DNA turns thousands of rendered styles into a compact visual-system overview—colors, typography, spacing, components, and more.
Explore what it findsRuns entirely in your browser
No accountsNo external serversNo raw DOM uploadsUser-initiated analysis
The useful parts, distilled
From rendered page to design-system overview.
Design DNA reads computed CSS only when you ask it to, then reduces the result into practical visual tokens.
Typography
Font families, sizes, weights, line heights, and likely type roles.
Layout tokens
Common spacing, border-radius, and shadow values at a glance.
Components
Representative button, input, and card styles from the active page.
One click to clarity
Analysis without the busywork.
- 1Open a website
Visit any supported HTTP or HTTPS page.
- 2Click Analyze Website
Design DNA reads the active page’s rendered styles.
- 3Explore the result
Review a clean, structured visual-system summary.
Privacy by architecture
Your page data stays on your device.
Design DNA handles the active page’s URL, title, visible content labels, and computed visual styles only after you click Analyze Website. Processing happens locally inside Chrome.
The extension does not create accounts, run analytics, use remote code, store analysis results, or send page content to external servers or third parties.