Serif · Google Fonts · #213 most popular
Source Serif 4 font: free download & CSS embed
Source Serif 4 is a free, open-source serif typeface from Google Fonts with 16 styles (8 weights, italics) and 6 character subsets. Free for commercial use under the SIL Open Font License or Apache 2.0.
Click the text above to type your own preview.
Weights & styles
The quick brown fox jumps over the lazy dog 0123456789
The quick brown fox jumps over the lazy dog 0123456789
The quick brown fox jumps over the lazy dog 0123456789
The quick brown fox jumps over the lazy dog 0123456789
The quick brown fox jumps over the lazy dog 0123456789
The quick brown fox jumps over the lazy dog 0123456789
The quick brown fox jumps over the lazy dog 0123456789
The quick brown fox jumps over the lazy dog 0123456789
The quick brown fox jumps over the lazy dog 0123456789
Embed Source Serif 4 with Google Fonts
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link 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" rel="stylesheet">
<style>
body { font-family: "Source Serif 4", serif; }
</style>Self-host Source Serif 4 (faster, GDPR-friendly)
Download the ZIP above and serve the woff2 files from your own domain:
@font-face {
font-family: "Source Serif 4";
font-style: normal;
font-weight: 400;
font-display: swap;
src: url("https://fonts.gstatic.com/s/sourceserif4/v14/vEFy2_tTDB4M7-auWDN0ahZJW3IX2ih5nk3AucvUHf6OAVIJmeUDygwjihdqnhtdDg.woff2") format("woff2");
}About the Source Serif 4 typeface
Source Serif 4 is a serif font family distributed through Google Fonts (version v14, last updated 2025-09-11). It supports the cyrillic, cyrillic-ext, greek, latin, latin-ext, vietnamese subsets, which makes it suitable for multilingual websites, apps and print. Available styles: 200, 300, 400, 500, 600, 700, 800, 900, 200 italic, 300 italic, 400 italic, 500 italic, 600 italic, 700 italic, 800 italic, 900 italic.
When to use Source Serif 4
Serif typefaces bring editorial character and authority. Use this family for long-form articles, headlines, branding and print layouts, paired with a neutral sans-serif for interface elements.
License
Like all Google Fonts, Source Serif 4 is open source. It can be used freely in commercial projects, websites, apps, logos and printed products, and it can be redistributed and self-hosted under the terms of its license (OFL 1.1 or Apache 2.0).
Frequently asked questions
Is Source Serif 4 free for commercial use?
Yes. Source Serif 4 is published on Google Fonts under an open-source license, so you can use it in commercial websites, apps, logos and print without paying royalties.
How do I download Source Serif 4?
Use the download button on this page to get a ZIP with woff2, woff and ttf files for Source Serif 4, or download the family from Google Fonts. Install the TTF files on Windows or macOS to use it in Figma, Photoshop or Word.
How do I add Source Serif 4 to my website?
Copy the Google Fonts stylesheet link from this page into your HTML head, then set font-family: "Source Serif 4" in CSS. For best performance and privacy, self-host the woff2 files instead.
What weights does Source Serif 4 have?
Source Serif 4 ships with 16 styles: 200, 300, 400, 500, 600, 700, 800, 900, 200 italic, 300 italic, 400 italic, 500 italic, 600 italic, 700 italic, 800 italic, 900 italic.
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