Identify the fonts used on any website
Enter a URL to check its font families, weights, sizes, line heights, files, and where each font appears.
What fonts does details.so use? Show the families, weights, sizes, line heights, and how each is used.
Install MCP serverUse a website font checker inside your AI tool
Your AI can identify the font families and stacks on a page, then show the weights, sizes, line heights, and usage behind them.
Open the example conversationWhat font details can Fudge find?
Fudge can return font families, files, weights, styles, sizes, line heights, and the parts of the page where each font appears.
Can I inspect a specific page instead of the homepage?
Yes. Paste the exact page URL to check the typography used on that route, such as a pricing page, article, product page, or documentation page.
Questions you can explore
- What font does Stripe use?
- What font does Linear use?
- What font does Perplexity use?
- What font does Gemini use?
- What font does Grok use?
- Check heading and body fonts from a URL
- Check where each font is used on a webpage
- Compare Fonts That Look Alike in a Browser
- Compare Heading and Body Fonts on a Webpage
- Compare Similar Serif Fonts Used on Websites
- Compare Visually Similar Fonts Before Choosing One
More ways to use Fudge
Find fonts similar to any typeface
Enter a font you like. Fudge compares its appearance with captured typefaces and returns the closest alternatives you can inspect.
Website design research for AI agents
Paste a URL. Fudge checks its layout, typography, colors, spacing, components, media, and interactions so your AI can use the findings while it builds.
Create a DESIGN.md from any website
Enter a URL. Fudge checks the website’s colors, typography, spacing, layout, and components, then turns the findings into a DESIGN.md for your project.