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Source Serif 4 is a serif typeface designed by Frank Grießhammer, first released in 2021. It is available free of charge and cleared for commercial use, which makes it a low-risk choice for websites, apps, and brand work. The family ships in 8 weights, giving a flexible range for both display headlines and body text. Its character set covers 6 languages, suitable for multilingual layouts. On Font Checker Pro you can preview Source Serif 4 at display and text sizes, review its desktop, web, app, and broadcast licensing tiers, and compare it head-to-head with related faces before committing to it.
Yes. Source Serif 4 is free to use, including in commercial projects, with no licence fee.
Source Serif 4 was designed by Frank Grießhammer and released in 2021.
Source Serif 4 is classified as a serif typeface.
Font Checker Pro surfaces data-backed alternatives to Source Serif 4 from its index of thousands of typefaces, and you can line any two up side by side with the comparison tool.
serif design from 2021. Every listing links to its original source and current licensing tiers.
Compare it head-to-head with another face, or scan any live site to see which fonts it ships — and whether they're licensed.