SiteFontCheck

No extension free font checker analyzer for modern web design

Check fonts on popular websites

Fonts used by

claude.ai

Last analyzed 8/29/2026, 4:08:07 AM UTC

Detected Fonts

4 found

anthropic-sans, system-ui, segoe ui, roboto, helvetica, arial, sans-serif, ui-sans-serif, system-ui, -apple-system, segoe ui, roboto, sans-serif

295

Meet Claude

anthropicons-variable

31

anthropic-serif, anthropic serif fallback georgia, anthropic serif fallback times, anthropic serif fallback dejavu, anthropic serif fallback noto, georgia, arial hebrew, noto sans hebrew, times new roman, times, pingfang sc, microsoft yahei, noto sans cjk sc, pingfang tc, microsoft jhenghei, noto sans cjk tc, hiragino sans, yu gothic, meiryo, noto sans cjk jp, apple sd gothic neo, malgun gothic, noto sans cjk kr, serif

7

Question what’s next

anthropic-sans, system-ui, segoe ui, roboto, helvetica, arial, sans-serif

4

or

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About SiteFontCheck

SiteFontCheck is a powerful no extension free font checker analyzer that analyzes any website to identify and display all fonts used in real-time. Simply enter a URL and instantly discover the typography behind your favorite websites.

About SiteFontCheck

No extension free font checker analyzer for modern web design. Detect, analyze, and explore fonts across any website with our powerful, user-friendly interface.