Zilla Slab

Serif by Typotheque #136 on Google Fonts
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Weight

About Zilla Slab

Zilla Slab was developed by Typotheque as the wordmark and identity typeface for Mozilla Firefox, blending slab-serif solidity with humanist warmth through its subtly flared serifs and open letter spacing. The five-weight range from Light to Bold provides enough variation for complete typographic hierarchies, and its slightly quirky details — particularly in the italic cuts — give it a personality that reads as confident and approachable. It suits tech-forward brands, editorial web publishing, and interface design that wants serif character without classical stiffness.

Character Map

AaBbCcDdEeFfGgHhIiJjKkLlMm
NnOoPpQqRrSsTtUuVvWwXxYyZz
0123456789
!@#$%^&*()_+-=[]{}|;':",.<>?

Weight Waterfall (5)

300 Light
400 Regular
500 Medium
600 SemiBold
700 Bold

How to Use

<link href="https://fonts.googleapis.com/css2?family=Zilla+Slab:wght@300;500;600;700;400&display=swap" rel="stylesheet">
@import url('https://fonts.googleapis.com/css2?family=Zilla+Slab:wght@300;500;600;700;400&display=swap');
font-family: 'Zilla Slab', serif;
brew install --cask font-zilla-slab

Details

Category
Serif
Weights
5
Italic
✓
Korean
✗
Designer
Typotheque
License
OFL
Version
Popularity
#136

License Usage

Web useAllowed
PrintAllowed
Video / BroadcastAllowed
PackagingAllowed
App embeddingAllowed
Brand / LogoAllowed
ModificationAllowed

OFL — Free for personal & commercial use

Language Support

latin latin-ext