Zilla Slab
serif · Designed by Typotheque
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Snippet updates automatically to match whichever weight you select above.
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Zilla Slab is a contemporary slab serif with sturdy, even stroke widths and rounded terminals that give it a friendly but grounded appearance. It was developed by Mozilla and carries a distinctly modern engineering sensibility, avoiding the fussiness of traditional serifs while retaining the structure and authority that the slab category is known for. Its letterforms are clean and geometric without being cold, making it readable at a range of sizes and adaptable across digital and print contexts. The overall tone is confident and approachable, sitting comfortably between editorial seriousness and accessible warmth.
Because of its strong x-height and clear legibility, Zilla Slab works well as a display or heading typeface for tech companies, independent publications, and nonprofits that want a professional look without feeling corporate or stiff. It performs particularly well in editorial layouts where the headings need to carry visual weight and establish hierarchy without competing with body text. It also suits branding contexts for startups or mission-driven organizations that want to signal reliability and clarity, and it holds up in UI settings for marketing pages where primary headlines and call-to-action text need to read quickly and memorably.
Best suited for: Recommended for editorial headlines, tech and nonprofit branding, marketing page call-to-action text, and UI contexts where professional authority and quick readability matter.
Design considerations: The ten weight and italic variants support flexible typographic hierarchy and emphasis across layouts. Its strong x-height and geometric clarity suit both display and body-adjacent roles, though the slab serif category carries inherent visual weight that benefits from intentional pairing and spacing.
Pairing guidance: Pair Zilla Slab headings with Montserrat for a modern sans-serif body that maintains geometric clarity, Merriweather for a traditional serif body that adds warmth and reading comfort, or Caveat as a handwriting accent for personal or approachable moments that soften the slab's structural confidence.
Pairs well with
Zilla Slab at a glance
Typotheque
SIL Open Font License 1.1
June 2017
September 2025
10 (5 weights + italics)
Serif
2
Google Fonts
All 10 Zilla Slab styles
| Weight | Name | Upright | Italic |
|---|---|---|---|
| 300 | Light | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 400 | Regular | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 500 | Medium | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 600 | SemiBold | Aa Bb Gg 123 | Aa Bb Gg 123 |
| 700 | Bold | Aa Bb Gg 123 | Aa Bb Gg 123 |
Zilla Slab character map
Which languages does Zilla Slab support?
Zilla Slab includes 2 character sets:
- Latin: English, Spanish, French, German, Italian, Portuguese and other Western European languages
- Latin Extended: Central and Eastern European languages such as Polish, Czech, Turkish, Romanian and Hungarian
It does not include Cyrillic or Greek characters, so it can't set Russian, Ukrainian or Greek text.
Can I use Zilla Slab commercially?
Yes, it's free for personal and commercial use. Zilla Slab is released under the SIL Open Font License 1.1. You can use it in logos, websites, apps, videos, printed products and merchandise without paying or asking permission. The one thing you can't do is sell the font file on its own.