What font does Twitter (now X) use?

Twitter — now branded X — uses Chirp, a custom sans-serif by Grilli Type introduced in 2021. The rebrand to X in 2023 kept Chirp; only the logo and product chrome changed.

Quick answer

Twitter — now branded X — uses Chirp, a custom sans-serif by Grilli Type introduced in 2021. The rebrand to X in 2023 kept Chirp; only the logo and product chrome changed.

Chirp

Custom / proprietary

A bespoke sans-serif Twitter commissioned to fix the inconsistencies of its old system-font stack. Blends American Gothic shapes with European grotesque proportions.

Designer
Cause and Affect / Grilli Type
Released
2021
Where Twitter (now X) uses it
Brand · Product UI · Body copy · Headlines
License
Proprietary to X Corp.

Free or accessible alternatives

GT AmericaSöhneInterHelvetica Neue

What we found in the live CSS on twitter.com

Primary font
Chirp
Total weights
@font-face
3
Source
Mixed

Chirp

Custom web font

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400Typography sets the voice of a brand

CSS to use Chirp

font-family: Chirp, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

@font-face source

woff2https://abs.twimg.com/responsive-web/client-web/Chirp-Regular.80fda27a.woff2

Get this font

Chirp
Commercial

Looks like a custom or commercial web font. Try MyFonts for licensing.

Search for Chirp

Free alternatives if you can't license Chirp

InterGoogle Fonts

Safe, neutral free sans-serif that works in nearly any layout.

Open
ManropeGoogle Fonts

Slightly warmer humanist alternative.

Open
DM SansGoogle Fonts

Cleaner geometric sibling.

Open
Used by 0 selectors on the page

Segoe UI

Unknown source

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400Typography sets the voice of a brand

CSS to use Segoe UI

font-family: 'Segoe UI', Georgia, 'Times New Roman', serif;

Get this font

Segoe UI
System font
Microsoft

Microsoft's Windows UI font.

Get Segoe UI from Microsoft

Free alternatives if you can't license Segoe UI

LoraGoogle Fonts

Workhorse free serif with great screen rendering.

Open
Source Serif 4Google Fonts

Cleaner contemporary alternative.

Open
MerriweatherGoogle Fonts

Heavier sibling for editorial body copy.

Open
Used by 1 selector on the page

TwitterChirpExtendedHeavy

Unknown source

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400Typography sets the voice of a brand

CSS to use TwitterChirpExtendedHeavy

font-family: TwitterChirpExtendedHeavy, Georgia, 'Times New Roman', serif;

Get this font

TwitterChirpExtendedHeavy
Commercial

Looks like a custom or commercial web font. Try MyFonts for licensing.

Search for TwitterChirpExtendedHeavy

Free alternatives if you can't license TwitterChirpExtendedHeavy

LoraGoogle Fonts

Workhorse free serif with great screen rendering.

Open
Source Serif 4Google Fonts

Cleaner contemporary alternative.

Open
MerriweatherGoogle Fonts

Heavier sibling for editorial body copy.

Open
Used by 1 selector on the page

Vazirmatn

Unknown source

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400Typography sets the voice of a brand

CSS to use Vazirmatn

font-family: Vazirmatn, Georgia, 'Times New Roman', serif;

Get this font

Vazirmatn
Commercial

Looks like a custom or commercial web font. Try MyFonts for licensing.

Search for Vazirmatn

Free alternatives if you can't license Vazirmatn

LoraGoogle Fonts

Workhorse free serif with great screen rendering.

Open
Source Serif 4Google Fonts

Cleaner contemporary alternative.

Open
MerriweatherGoogle Fonts

Heavier sibling for editorial body copy.

Open
Used by 1 selector on the page

Helvetica

System font

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400Typography sets the voice of a brand

CSS to use Helvetica

font-family: Helvetica, Georgia, 'Times New Roman', serif;

Get this font

Helvetica
Commercial
Linotype / Monotype

Sold by Monotype.

Get Helvetica from Linotype / Monotype

Free alternatives if you can't license Helvetica

InterGoogle Fonts

Better screen rendering with the same neutral character.

Open
ManropeGoogle Fonts

Softer, more contemporary feel.

Open
Work SansGoogle Fonts

Free open grotesque close to Helvetica's proportions.

Open
Used by 1 selector on the page

Tahoma

System font

The quick brown fox jumps over the lazy dog

Weights loaded (1)

400Typography sets the voice of a brand

CSS to use Tahoma

font-family: Tahoma, Georgia, 'Times New Roman', serif;

Get this font

Tahoma
System font

System font — already available on the visitor's device.

About system fonts

Free alternatives if you can't license Tahoma

LoraGoogle Fonts

Workhorse free serif with great screen rendering.

Open
Source Serif 4Google Fonts

Cleaner contemporary alternative.

Open
MerriweatherGoogle Fonts

Heavier sibling for editorial body copy.

Open
Used by 1 selector on the page

How twitter.com loads its fonts

Get Font Info inspected the homepage of twitter.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.

Check the font on a specific element

Open the live inspector and hover any text on twitter.com to see the exact font, weight, size and line-height for that element.

Open live font inspector for twitter.com

Frequently asked questions

Who designed Chirp?

Chirp was designed by Cause and Affect / Grilli Type, released in 2021. A bespoke sans-serif Twitter commissioned to fix the inconsistencies of its old system-font stack. Blends American Gothic shapes with European grotesque proportions.

Can I download Chirp?

No. Chirp is proprietary to Twitter (now X) and isn't available for public licensing. The closest free or commercial alternatives are GT America, Söhne, Inter.

What are free alternatives to Chirp?

If you want a similar look without Chirp, try GT America, Söhne, Inter, Helvetica Neue. GT America in particular is widely available and free on Google Fonts or under an open-source license.

What font does twitter.com use?

twitter.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.

Where does twitter.com load its fonts from?

twitter.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.

What weights of Chirp does twitter.com use?

twitter.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.

Can I use the same font as twitter.com on my website?

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.

Is the font on twitter.com free to use?

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.

See fonts used by other sites

Compare the typography on twitter.com with how other well-known sites load and use their fonts.

About this page

This page lists the fonts loaded by the homepage of twitter.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 a font used on a website, identify fonts from a website, what typeface is this website using, or font checker.