Source Serif 4

Serif Google Fonts WOFF2 · WOFF · TTF vv1

Serif Variable Italic minimal OFL-1.1 ~29.3 KB

Type Tester

Interactive

The quick brown fox jumps over the lazy dog

Size 48px

12 120

Line Height 1.2

0.8 2.0

Weight

Style

Font Metrics

Units per Em

1000

Ascent

800

Descent

-200

Line Gap

Context Scores

Display 75%

Interface 75%

Reading 95%

Mono —

Editorial 75%

Data —

Variable Axes

ital Italic 0 – 1 (default: 0)

opsz Optical Size 8 – 60 (default: 14)

wght Weight 200 – 900 (default: 400)

Pairings

Source Sans 3

body Sans Serif 95% match

Same Adobe design family — sans body under serif headings

Source Code Pro

mono Monospace 97% match

Same Adobe design family — perfect metric alignment across all three

Inter

body Sans Serif 86% match

Clean geometric sans body under structured serif headings

Use This Font

CLI / MCP

fetchtype resolve source-serif-4 --css

Generates CSS with fallback stack

HTML <link> tag

<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap" />

Add to <head>

Technical Details

Weights

200, 300, 400, 500, 600, 700, 800, 900

Subsets

cyrillic, cyrillic-ext, greek, latin, latin-ext, vietnamese

Formats

WOFF2, WOFF, TTF

Source

google

Variable

Yes

Italic

Yes