Design System Extractor
Analyze and extract CSS variables, design tokens, typography scales, and color palettes from any URL instantly. Export design systems to Markdown.
All-in-One Design System Extractor
Stop using DevTools to scrape styles. Extract website design systems, analyze CSS variables, and audit contrast in seconds.
Headless Browser Analysis
Our tool renders pages in a headless browser to capture runtime styles, CSS variables, and dynamic hover effects accurately.
Interactive UI Sandbox
Play with extracted styles instantly in an interactive UI playground with hover transitions and theme controls.
AI & Designer Optimized MD
Get structured Markdown exports containing all styles, typography mappings, CSS variables, and LLM-friendly system prompts.
Accessibility Auditing
Check the contrast ratios of parsed text-background pairs against WCAG standards to ensure accessibility.
How to Use the Design System Extractor
Enter Website URL
Input the link to any public website you want to inspect and build from.
Extract Design Tokens
Click Extract to start headless browser indexing and gather CSS variables, layout constants, buttons, and text scales.
Preview & Export
Play with styles in the UI Sandbox, inspect WCAG contrast, or copy structured Markdown variables for AI prompts.
Who uses Design System Extractor?
Essential layout tool built for designers, developers, and AI-driven UI builders.
UI Reverse-Engineering
Deconstruct layouts you love and export their design tokens directly to bootstrap new web projects.
Prompt Engineering
Convert website styles to structured Markdown parameters that allow LLMs like Claude/GPT to build matching components.
Design Consistency
Audit layout styling sheets, check for style drifts, and align CSS/Tailwind variables across pages.
Accessibility Audits
Calculate text-to-background contrast ratios automatically to verify compliance with WCAG standards.
Frequently Asked Questions
How does the Design System Extractor collect website styles?
The tool uses a headless browser (Puppeteer) to load the target URL. It evaluates the page's styling, extracts computed CSS styles from key elements (like buttons, headers, and form inputs), collects custom CSS variables, and compiles them into a structured design system representation.
Does it extract styles generated by Tailwind or React/Vue?
Yes. Since it runs in a real headless browser, it waits for JavaScript compilation to complete and extracts the final computed styles (CSS variables, sizes, colors) regardless of what framework or styling library (like Tailwind CSS, Styled Components, or CSS Modules) the website uses.
Can I use the exported Markdown with ChatGPT, Claude, or Cursor?
Absolutely. The exported Markdown is specifically structured to be context-rich and token-efficient. It contains a copy-pasteable System Prompt that tells LLMs how to build new components using the exact style tokens, colors, and dimensions extracted.
How does the accessibility checker calculate contrast ratios?
It extracts the color value of text elements and their respective backgrounds, converts them to relative luminance, and calculates the contrast ratio according to Web Content Accessibility Guidelines (WCAG 2.1). It then scores the contrast as AA or AAA compliant.
Are my analyzed URLs or design systems stored on the server?
No. The extraction happens on-demand when you submit the URL. We do not store or cache the target website's styling data or assets on our servers, ensuring your design audits remain private.