Inter
Inter is the definitive screen-first sans-serif, meticulously optimized for UI readability at every size with features like contextual alternates, slashed zero, and tabular numbers built in. Its variable font includes both weight and optical size axes, making it adapt fluidly from tiny captions to bold headlines — trusted by Figma, Notion, GitLab, Mozilla, and NASA. Ideal for SaaS products, developer tools, and any digital brand that prioritizes clarity and professionalism.
The quick brown fox jumps over the lazy dog
ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz 0123456789
About Inter
- Designer
- Rasmus Andersson
- Released
- 2017
- License
- SIL Open Font License 1.1
- Category
- Humanist Sans
- Recommended Weight
- 700
- Variable Axes
- weightwidthoptical-size
- Script Support
- Latin, Cyrillic, Greek, Vietnamese
- Available Weights
- 100200300400500600700800900
Who Uses Inter
Figma (Default interface typeface), GitHub (Interface typeface), GitLab, Mozilla, NASA, Linear (Project management interface), Notion (Interface typeface).
Pairs Well With
Playfair Display
Classic heading/body contrast — high-contrast serif headings with neutral sans body
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Frequently Asked Questions
What makes Inter especially well-suited for user interfaces?
Inter was purpose-built for computer screens, featuring a tall x-height, open apertures, and carefully tuned letter-spacing for small sizes. It also includes specialized OpenType features like tabular numbers, slashed zeros, and contextual alternates that are essential for data-heavy UIs.
Does Inter support optical sizing?
Yes, Inter's variable font includes an optical-size axis (opsz) that automatically adjusts stroke contrast and spacing based on the rendered size. This means captions and body text become more readable while display sizes gain sharpness and presence.
How does Inter compare to system UI fonts like San Francisco or Segoe UI?
Inter was designed as an open-source alternative to proprietary system fonts, offering similar screen optimization and UI-centric features. Unlike platform-specific fonts, Inter provides consistent rendering across all operating systems, making it ideal for cross-platform products.