Fira Sans

Sans Serif by Carrois Apostrophe #38 on Google Fonts
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About Fira Sans

Commissioned by Mozilla and designed by Carrois Apostrophe, Fira Sans was created as the interface typeface for Firefox OS, optimized for the constraints of small mobile screens and the demands of a global user base. The design blends humanist warmth with the uniformity of a grotesque, and its extensive language coverage — Cyrillic, Greek, Latin Extended — reflects its heritage as a tool for international communication. Nine weights without a variable axis means discrete, predictable steps that some designers prefer for maintaining strict typographic systems.

Design Analysis

Fira Sans is a humanist sans-serif designed for Mozilla's Firefox OS, optimized for legibility on small, low-resolution screens. Its open apertures, tall x-height, and clear letterform differentiation make it exceptionally readable at compact sizes. The family spans 18 styles across nine weights with true italics, offering broad typographic flexibility.

Recommended Use Cases

Excellent for developer-oriented products, technical interfaces, and projects with dense information layouts. Pairs naturally with Fira Mono and Fira Code for a unified code-and-prose typographic system.

Character Map

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

Weight Waterfall (9)

100 Thin
200 ExtraLight
300 Light
400 Regular
500 Medium
600 SemiBold
700 Bold
800 ExtraBold
900 Black

How to Use

<link href="https://fonts.googleapis.com/css2?family=Fira+Sans:wght@100;200;300;500;600;700;800;900;400&display=swap" rel="stylesheet">
@import url('https://fonts.googleapis.com/css2?family=Fira+Sans:wght@100;200;300;500;600;700;800;900;400&display=swap');
font-family: 'Fira Sans', sans-serif;
brew install --cask font-fira-sans

Details

Category
Sans Serif
Weights
9
Italic
✓
Korean
✗
Designer
Carrois Apostrophe
License
OFL
Version
Popularity
#38
Downloads
445

License Usage

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

OFL — Free for personal & commercial use

Language Support

cyrillic cyrillic-ext greek greek-ext latin latin-ext vietnamese

Best For

body_text web_apps ui_elements

Frequently Asked Questions

Is the Fira Sans font free for commercial use?

Yes — Fira Sans is an open-source font, free to use in personal and commercial projects.

What type of typeface is Fira Sans?

Fira Sans is a Sans Serif typeface.

What does Fira Sans support?

Fira Sans primarily supports text.