The quick brown fox jumps over the lazy dog
Free font
Stack Sans Text
Stack Overflow's modernist text sans by Koto, free on Google Fonts with a variable weight axis from 200 to 700.
About Stack Sans Text
Stack Sans Text is the body-copy half of Stack Sans, the typeface Koto designed for Stack Overflow in 2025. It is a sans serif rooted in modernist inspiration, aiming for a balance between timelessness and innovation. Its most recognisable trait is a subtle notched detailing on certain strokes, a nod to the building process that gives the family a signature without disturbing the even texture a text face needs. The Google Fonts release is a variable font with a single weight axis from 200 to 700, covering Latin and extended Latin.
It was shaped by the demands of one of the web's most text-heavy platforms, so it suits documentation, developer tools, dashboards and long-form interface copy where sustained reading matters. Pair it with the Headline style for display sizes. Designers reaching for Inter, Geist or a licensed modernist grotesque such as Helvetica Now Text or Neue Haas Grotesk Text will find Stack Sans Text covers much of the same ground at no cost.
- Designer
- Koto
- Released
- 2025
- Available at
- Google Fonts →
Display + body that work together
Letters that hold their nerve
Two thousand years of letterforms boil down to a handful of decisions — width, weight, proportion. Pick a pair you trust, and let the rest take care of itself.
Modern · Editorial Stack Sans Text + Source Serif 4
Pages that earn the read
The display sets the register; the body follows through. When both halves of a pair pull in the same direction, the design disappears and the words come forward.
Editorial · Modern DM Serif Display + Stack Sans Text