The typeface on x.com is Chirp, Segoe UI and TwitterChirpExtendedHeavy, loaded across 3 @font-face declarations. Every font family, weight and source on this page is read straight from the live CSS — no image guessing, no machine learning, just the rules the browser used.
The quick brown fox jumps over the lazy dog
font-family: Chirp, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
The quick brown fox jumps over the lazy dog
font-family: 'Segoe UI', Georgia, 'Times New Roman', serif;
The quick brown fox jumps over the lazy dog
font-family: TwitterChirpExtendedHeavy, Georgia, 'Times New Roman', serif;
The quick brown fox jumps over the lazy dog
font-family: Vazirmatn, Georgia, 'Times New Roman', serif;
The quick brown fox jumps over the lazy dog
font-family: Helvetica, Georgia, 'Times New Roman', serif;
The quick brown fox jumps over the lazy dog
font-family: Tahoma, Georgia, 'Times New Roman', serif;
Get Font Info inspected the homepage of x.com and parsed 0 stylesheets totalling 0 KB. Inside those stylesheets we found 3 @font-face declarations — the rules a browser uses to download and register a custom typeface. The primary typefaces are served from mixed, and 7 CSS rules reference them across the page.
Open the live inspector and hover any text on x.com to see the exact font, weight, size and line-height for that element.
Open live font inspector for x.comx.com uses Chirp, Segoe UI and TwitterChirpExtendedHeavy as its primary typefaces. These fonts are loaded from a self-hosted webfont, an unknown source and the operating system and applied across 7 CSS rules on the homepage.
x.com loads its fonts from a self-hosted webfont, an unknown source and the operating system. Get Font Info detected 3 @font-face declarations across 0 stylesheets on the live page.
x.com loads Chirp without explicitly declaring weights — the browser picks the default Regular (400) and falls back to system rendering for bold and italic styles.
Yes — once you know the font name, you can load it from the same source. If Chirp isn't a fit (licensing, weight selection, look-and-feel), close alternatives include Inter, Manrope and DM Sans. Use the CSS snippet on this page as a starting point.
These fonts are self-hosted webfonts. They may be licensed commercially from a type foundry, custom-made for the brand, or freely available — you would need to identify the typeface and check its license at the foundry.
Compare the typography on x.com with how other well-known sites load and use their fonts.
This page lists the fonts loaded by the homepage of x.com. Get Font Info reads the live CSS — every @font-face rule, every font-family declaration — so you see the exact fonts the browser used, not an image-based guess.
More guides: find the font on any website, identify the typeface on a webpage, check what font a website is using, or URL font checker.