Brand font guide
What font does X use?
X sets its logo and interface in Chirp, a sans-serif typeface by in-house. Chirp, the platform formerly known as Twitter's typeface, is a tight grotesque optimised for short-form readability.
Free stand-ins
Free Chirp alternatives
Chirp is a commercial typeface. These open-source Google Fonts capture its character and are free for personal and commercial use.
How we know it is Chirp
The identification comes from measuring real letterforms — relative x-height, stem weight, stroke contrast and letter width — the same four metrics the font finder uses on any screenshot you upload. Chirp has a signature silhouette, and the free fonts listed above were matched against it on those same numbers.
Recreate the X look for free
You can set your own site in any of the free alternatives above and get remarkably close to the X feel — same weight, similar x-height and spacing — without paying for a commercial licence. Each card links to a detail page with the ready-to-paste CSS embed.
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