Fira Mono

Monospace by Carrois Apostrophe #401 on Google Fonts
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Weight

About Fira Mono

Fira Mono from Carrois Apostrophe originated as the monospaced member of Mozilla's Fira type system, designed to pair with Firefox OS interfaces. Its clean, slightly humanized letterforms hold up well in code editors and terminal environments, with three weights providing modest but useful range. Cyrillic, Greek, and extended Latin coverage — including the less common Symbols2 block — reflect its origins in a global platform ecosystem.

Character Map

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

Code Editor Preview

example.js 
const fibonacci = (n) => {
  if (n <= 1) return n;
  return fibonacci(n - 1) + fibonacci(n - 2);
};

// Generate first 10 numbers
const results = Array.from(
  { length: 10 },
  (_, i) => fibonacci(i)
);

console.log(`Result: ${results.join(', ')}`);

Character Disambiguation

Can you tell these apart? A good monospace font makes similar characters easy to distinguish.

Zero vs O 0 O o
One vs l vs I 1 l I | !
Quotes ' ' " " ` ´
Braces ( ) [ ] { } < >
Punctuation . , : ; .. ...

Weight Waterfall (3)

400 Regular
500 Medium
700 Bold

How to Use

<link href="https://fonts.googleapis.com/css2?family=Fira+Mono:wght@500;700;400&display=swap" rel="stylesheet">
@import url('https://fonts.googleapis.com/css2?family=Fira+Mono:wght@500;700;400&display=swap');
font-family: 'Fira Mono', monospace;
brew install --cask font-fira-mono

Details

Category
Monospace
Weights
3
Italic
✗
الكوريّة
✗
Designer
Carrois Apostrophe
License
OFL
Version
Popularity
#401

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 symbols2