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Zilla Slab

Mozilla's slab serif, drawn by Typotheque in five weights from Light to Bold, each paired with an italic.

Slab Serif 10 styles by Typotheque OFL

Zilla Slab is a slab serif family designed by Typotheque for Mozilla, which uses it for its wordmark and headlines. Zilla Slab has five weights from Light 300 to Bold 700, each with an italic, as 10 static styles, not a variable font. Zilla Slab is released under the SIL Open Font License 1.1 and suits headlines and text.

Zilla Slab font preview card
Preview drawn by trendhub from the font files.
Designer
Typotheque
Classification
Slab Serif
License
SIL Open Font License 1.1
Styles
10 5 weights, with italics
Variable font
No
Glyphs
976
Languages checked
24 see the list
Last updated
version 1.1; 2017; ttfautohint (v1.6)

Official source: Google Fonts. Facts on this page were read from the font files and the source’s published data.

Try Zilla Slab

Sample text

Type over the sample to test your own words. The preview loads a Latin subset of Zilla Slab; the download contains the complete files.

Zilla Slab font specimen: alphabet, numerals and weights
Zilla Slab specimen: alphabet, numerals and weights. Image drawn by trendhub from the font files.

Weights and styles

  • Light 300Zilla Slab Light Light Italic
  • Regular 400Zilla Slab Regular Italic
  • Medium 500Zilla Slab Medium Medium Italic
  • SemiBold 600Zilla Slab SemiBold SemiBold Italic
  • Bold 700Zilla Slab Bold Bold Italic

About Zilla Slab

Zilla Slab is a slab serif family made as the core typeface of Mozilla, where it sets the wordmark, headlines and other design work. Typotheque designed it on the basis of one of the foundry's earlier slab serifs, and Mozilla leads the project; the copyright notice names The Mozilla Foundation. The letters carry flat, rectangular serifs, strokes of nearly even thickness and round, smooth bowls, with a two-storey a. In the specimen several numerals, among them 3, 4, 5, 7 and 9, drop below the baseline. The family has five weights, Light 300, Regular 400, Medium 500, SemiBold 600 and Bold 700, and every weight has an italic that the official notes describe as a true italic, for 10 styles delivered as static files. The fonts hold 976 glyphs in the Latin and Latin Extended character sets and are published under the SIL Open Font License 1.1.

Where Zilla Slab works

Headlines and wordmarks
Mozilla sets its own wordmark and headlines in Zilla Slab; SemiBold and Bold give the flat serifs enough mass for large titles.
Articles and long pages
Regular with its italic handles running text and emphasis, and the nearly even stroke thickness keeps letters solid at reading sizes.
Hierarchy inside one family
Five weights between 300 and 700 separate titles, subheads, body copy and captions without bringing in a second typeface.
Quotes and captions in italic
Each of the five weights has its own drawn italic, so a quotation can be set in Light Italic or Bold Italic and not only in the regular weight.
Sites in several European languages
The Latin Extended set includes the letters needed for Turkish, Polish, Czech, Hungarian and Romanian alongside English, French and German.

Glyphs

!"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~¡¢

Latin and Latin Extended characters in the preview subset; the complete family has 976 glyphs.

Language support

The family contains the core letters these languages are written with:

  • English
  • French
  • German
  • Spanish
  • Portuguese
  • Italian
  • Dutch
  • Swedish
  • Norwegian
  • Danish
  • Finnish
  • Icelandic
  • Catalan
  • Turkish
  • Polish
  • Czech
  • Slovak
  • Hungarian
  • Romanian
  • Croatian
  • Slovenian
  • Lithuanian
  • Latvian
  • Estonian

Character sets found in the files: latin, latin-ext. The language list is a check of required letters against the font, not a promise of typographic quality in each language.

License

SIL Open Font License 1.1Copyright 2017, The Mozilla Foundation

What the license allows

  • Use the fonts in personal and commercial work, in print, on the web and in apps.
  • Modify the fonts and build new versions from them.
  • Redistribute the fonts, on their own or bundled with software, as long as the license text and copyright notice go with them.

Conditions

  • The fonts cannot be sold by themselves.
  • A modified version must stay under the same license and cannot use a Reserved Font Name without the copyright holder's permission.
  • The authors' names cannot be used to promote a modified version without permission.

This is a short summary, not legal advice. The license text decides: read the full OFL text. A copy is included in the download.

Fonts that pair with Zilla Slab

Alata Sans Serif

Zilla Slab is slab serif and Alata is sans serif (1 weight): the difference in structure separates headings from text.

Albert Sans Sans Serif

Zilla Slab is slab serif and Albert Sans is sans serif (9 weights): the difference in structure separates headings from text.

Alegreya Sans Sans Serif

Zilla Slab is slab serif and Alegreya Sans is sans serif (7 weights): the difference in structure separates headings from text.

Suggestions come from simple rules on the records: a contrasting classification and enough weights to carry body text. They are a starting point, not a verdict.

Use Zilla Slab on the web

Download the family and host the files on your own site, then declare them in CSS. Please do not link to the files on trendhub.net: preview files here are subsets and their addresses change.

CSS, self-hosted
@font-face {
  font-family: "Zilla Slab";
  src: url("/assets/fonts/ZillaSlab-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Zilla Slab";
  src: url("/assets/fonts/ZillaSlab-BoldItalic.ttf") format("truetype");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Zilla Slab";
  src: url("/assets/fonts/ZillaSlab-Italic.ttf") format("truetype");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Zilla Slab";
  src: url("/assets/fonts/ZillaSlab-Light.ttf") format("truetype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
/* …and 6 more files in the package, declared the same way */

body {
  font-family: "Zilla Slab", serif;
}

Or load it from the official source. Google Fonts serves Zilla Slab with this markup:

HTML, Google Fonts

Things to know

Static files, no variable version
The package holds 10 separate TTF files, one per style. Zilla Slab has no variable axes, so only the five named weights can be set.
The range runs from 300 to 700
Light is the lightest cut and Bold the heaviest; the family has nothing thinner than 300 or heavier than 700.
Numerals drop below the line
In the specimen the default figures are not all one height: digits such as 3, 4, 5, 7 and 9 descend below the baseline.
Designer and copyright holder differ
The font's name table credits Typotheque as designer and manufacturer, while the copyright belongs to The Mozilla Foundation.

FAQs

Is Zilla Slab free for commercial use?

Yes. Zilla Slab is published under the SIL Open Font License 1.1, which allows use in personal and commercial work, modification and redistribution. Zilla Slab cannot be sold on its own, and modified versions stay under the same license.

Who designed Zilla Slab?

Zilla Slab was designed by Typotheque in a project led by Mozilla. The copyright notice names The Mozilla Foundation.

How many weights does Zilla Slab have?

Zilla Slab has five weights: Light 300, Regular 400, Medium 500, SemiBold 600 and Bold 700. Each has an italic, which makes 10 styles.

Is Zilla Slab a variable font?

No. Zilla Slab is distributed as 10 static font files and has no variable axes.

Which languages does Zilla Slab support?

Zilla Slab includes the letters needed for English and other Latin-script languages such as French, German, Spanish, Dutch, Danish, Turkish, Polish, Czech, Croatian and Lithuanian.

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Collections with Zilla Slab

  • Fonts that support Turkish

    Open-license families that contain every letter of the Turkish alphabet, including dotted and dotless i, across text, display and script styles.

Similar fonts

Other families in the same classification, ordered by shared use tags. All slab serif fonts