Open Sans

sans300 · 400 · 500 · 600 · 700 · 800· OFL-1.1· Steve Matteson

Size56pxWeight

mcpConnect your agent — pair Open Sans live

live endpoint

Point any MCP client at the shared fonts endpoint and your agent can search this exact catalog and suggest pairings — list_fonts and suggest_fonts, read-only, no key.

endpointhttps://mcp.brandsweets.com/fonts/mcp

claude mcp add --transport http brandsweets-fonts https://mcp.brandsweets.com/fonts/mcp

try this prompt

›find me a heading font that pairs with Open Sans

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

A free alternative to

Open Sans ranks in the top three free, open-licensed alternatives to Segoe UI, Frutiger, Calibri and 4 more on our published similarity score. Commercial names identify the typeface only; we never host them.

Pairs well with

Roboto

sansroboto100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900

Christian Robertson, ParaType, Font Bureau · Apache-2.0

View specimen →

fits body; generous x-height for body; hand-vetted

Inter

sans100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900

Rasmus Andersson · OFL-1.1

View specimen →

fits body; generous x-height for body; hand-vetted

Lato

sans100 · 300 · 400 · 700 · 900

Łukasz Dziedzic · OFL-1.1

View specimen →

fits body; generous x-height for body; hand-vetted

Montserrat

sans100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900

Julieta Ulanovsky, Sol Matas, Juan Pablo del Peral, Jacques Le Bailly · OFL-1.1

View specimen →

fits heading; hand-vetted

Poppins

sans100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900

Indian Type Foundry, Jonny Pinhorn, Ninad Kale · OFL-1.1

View specimen →

fits heading; hand-vetted

More sans fonts

Roboto

sansroboto100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900

Christian Robertson, ParaType, Font Bureau · Apache-2.0

View specimen →

Inter

sans100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900

Rasmus Andersson · OFL-1.1

View specimen →

Montserrat

sans100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900

Julieta Ulanovsky, Sol Matas, Juan Pablo del Peral, Jacques Le Bailly · OFL-1.1

View specimen →

Noto Sans JP

sans100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900

Google · OFL-1.1

View specimen →

Poppins

sans100 · 200 · 300 · 400 · 500 · 600 · 700 · 800 · 900

Indian Type Foundry, Jonny Pinhorn, Ninad Kale · OFL-1.1

View specimen →

Lato

sans100 · 300 · 400 · 700 · 900

Łukasz Dziedzic · OFL-1.1

View specimen →

Self-host embed

Open Sans is free to self-host under OFL-1.1. Drop these @font-face rules into your CSS — the .woff2 files are served straight from BrandSweets.

css

@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-300.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-400.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-500.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-600.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-700.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-800.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 300;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-300i.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-400i.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-500i.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 600;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-600i.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 700;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-700i.woff2") format("woff2");
}
@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 800;
  font-display: swap;
  src: url("https://fonts.brandsweets.com/open-sans/open-sans-800i.woff2") format("woff2");
}

/* Usage */
.heading { font-family: "Open Sans", sans-serif; }

License & attribution

License: OFL-1.1
Designed by: Steve Matteson
Weights: 300, 400, 500, 600, 700, 800
Languages: cyrillic, cyrillic-ext, greek, greek-ext, hebrew, latin, latin-ext, math, symbols, vietnamese

Machine-readable: font.md

Build a brand around Open Sans

Turn a font choice into a full identity — colors, type roles, logo, and agent-readable tokens your future sessions already know.

Extract a brand Design one on a canvas