Size
Extra light
The quick brown fox jumps over the lazy dog
Light
The quick brown fox jumps over the lazy dog
Regular
The quick brown fox jumps over the lazy dog
Medium
The quick brown fox jumps over the lazy dog
Semi Bold
The quick brown fox jumps over the lazy dog
Bold
The quick brown fox jumps over the lazy dog
Extra bold
The quick brown fox jumps over the lazy dog
Black
The quick brown fox jumps over the lazy dog
Extra light Italic
The quick brown fox jumps over the lazy dog
Light Italic
The quick brown fox jumps over the lazy dog
Regular Italic
The quick brown fox jumps over the lazy dog
Medium Italic
The quick brown fox jumps over the lazy dog
Semi Bold Italic
The quick brown fox jumps over the lazy dog
Bold Italic
The quick brown fox jumps over the lazy dog
Extra bold Italic
The quick brown fox jumps over the lazy dog
Black Italic
The quick brown fox jumps over the lazy dog
About Source Serif 4
Source Serif 4, designed by Frank Grießhammer, is a transitional serif typeface introduced in 2021. Inspired by Pierre Simon Fournier, it features unique serifs like the bottom serif on the "b." It seamlessly pairs with Source Sans 3, offering styles in italic and normal. With support for multiple scripts, it's an open-source project that's approachable and modern.