Martian Mono
Type with Purpose
Good typography guides attention, improves understanding, and makes communication effortless.
The Anatomy of a Typeface
By FontSide · June 2026
Every typeface is a system of decisions — about stroke contrast, x-height, spacing, and rhythm. The best ones feel invisible: you stop seeing the letters and start hearing the voice behind them. That transparency is the hardest thing to design.
A high x-height opens up the counters and makes small text breathe. Tight tracking pulls a headline together; loose tracking gives a caption room to exhale. None of these choices are accidents — they are arguments about how reading should feel.
Uppercase
Lowercase
Numerals
Symbols
Package Manager
The recommended way to use fonts in modern web projects.
1. Install Package
pnpm add @fontsource-variable/martian-mono 2. Import in App
import '@fontsource-variable/martian-mono/wght.css'; 3. CSS Usage
body {
font-family: "Martian Mono Variable", monospace;
} Google Fonts CDN
Use Google's CDN to embed the fonts directly via HTML.
HTML <head>
<!-- Please select at least one weight and style --> Fontsource CDN
Skip the build step by adding this directly to your global CSS file.
Global CSS
/* martian-mono-latin-wght-normal */
@font-face {
font-family: "Martian Mono Variable";
font-style: normal;
font-display: swap;
font-weight: 100 900;
src: url(https://cdn.jsdelivr.net/fontsource/fonts/martian-mono:vf@latest/latin-wght-normal.woff2)
format("woff2-variations");
} Background & Story
Martian Mono is a monospaced version of the Martian Grotesk font for code style design. It inherits Grotesk's brutal and eye-catching aesthetics as well as all of its benefits-metrics equilibrium, readability and intelligibility, and convenience for web developers and designers who believe in a systematic approach to design.
Martian Mono consists of a variable font with a width (Condensed to SemiExpanded) and weight axes (Thin to ExtraBold).
In January 2023, the basic Cyrillic script is added and the font supports now Ukrainian, Belarusian, and Russian languages.
To contribute, see github.com/evilmartians/mono.
Tags & Moods
Subsets
Install
pnpm add @fontsource-variable/martian-mono Designed by
Roman Shamin, Evil Martians
Links
License
OFL-1.1