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10 Best Free Sans Serif Fonts for UI Design

Sans serif fonts are ubiquitous in our daily reading, from smartphones and computers to public signage. Sans serif fonts are often neutral, modern, and full of geometric aesthetics. If you are a UI or web designer, you will need a variety of great sans serif fonts. Congratulations on finding this article! I will recommend 10 of the best free sans serif fonts for you to start using right away.



Features: Roboto is one of the most popular fonts on Google Fonts and among designers. It's a clean, modern sans-serif font categorized as Neo-grotesque.

LicenseDesigned by Christian Robertson, Roboto is licensed under the Apache License, making it an open-source font available for personal and commercial projects free of charge.

Applications: Roboto is the default system font on Android and is also used on Google websites, Unreal Engine 4, Nintendo Switch packaging, the Utsav Network logo, and United Nations documents.

Its excellent readability and clarity make it ideal for web design and mobile applications, making it the preferred font for a wide range of user interfaces.

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Features: Montserrat is a geometric sans-serif font inspired by the posters seen in the Montserrat neighborhood during the first half of the 20th century. This font features large x-height, short descenders, and large apertures, ensuring high readability even at small sizes.

LicenseDesigned by Julieta Ulanovsky, the font is licensed under the SIL Open Font License, making it free to use.

Applications: Montserrat is used on over 17 million websites and is also well-suited for print. It has been adopted as the official font by the governments of Mexico and Puerto Rico.

3.Open sans

Features: Open Sans is a humanist sans-serif font. It features large apertures and x-height, making it highly legible on screens and at small sizes, and also true italics.

LicenseDesigned by Steve Matteson, Open Sans is available under the SIL Open Font License and the Apache License 2.0, making it a free and open-source font.

Applications: Open Sans is optimized for readability in print, web, and mobile interfaces, often used in website design and print advertising, such as by Google and WordPress. It's also the official font of the UK Labour Party, the Co-operative Party, and the Liberal Democrats.

4.Work Sans

Features: Work Sans is designed based on early Grotesques style. The font is optimized for medium text sizes on screens and now has a variable font version.

LicenseDesigned by Australian type designer Wei Huang, it is licensed under the SIL Open Font License.

Applications: It works well for both screen display and print.


Features: Mulish is a neutral sans-serif font. It is simple and modern, designed specifically for display and text typography, making it very popular among designers.

LicenseDesigned by Vernon Adams, it follows the Open Font License.

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6.Libre Franklin

Features:Its design is based on the classic Franklin Gothic by Morris Fuller Benton in 1912, with some personal interpretations by the author. It serves as a free alternative to Franklin Gothic and belongs to the grotesque style.

LicenseLed by Argentinian foundry Impallari Type, Libre Franklin is licensed under the SIL Open Font License.

7.Nanum Gothic

Features: Nanum Gothic is a sans-serif font full of modern flair and offers a friendly reading experience, suitable for screen use.

LicenseDesigned by Sandoll Communications and Fontrix, it is licensed under the Open Font License.


Features: Arimo offers a refreshing look. This sans-serif font has good readability on screens.

LicenseDesigned by Steve Matteson, it is released under the Apache License 2.0 and is an open-source font available for free use.

Applications: It is suitable for screen display and meets the needs of software development, as it supports cross-platform document portability.

9.PT Sans

Features: PT Sans is designed based on sans-serif fonts popular in Russia in the second half of the 20th century and incorporates features of contemporary humanistic design.

LicenseThe font was developed by ParaType specifically for the "Public Types of the Russian Federation" project, under a free license and is available for free use.

Applications: PT Sans is currently an important public font in modern digital communication in Russia.

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10.Nunito Sans

Features: Nunito Sans is a sans-serif font with rounded terminals and a good sense of balance, and it has been updated with variable font capabilities.

LicenseDesigned by Vernon Adams, it follows an open font license, making it open-source and free to use.

Applications: Nunito Sans is suitable for use in web browsers on computers and mobile devices, as well as for online media design.

Use Free Fonts Now

If you want to use Free Google Fonts instantly, download FontApp now!

With FontApp, you can access Google Fonts with just one click, without downloading or installing them. In addition to over 6000 Google Fonts, FontApp includes hundreds of other free fonts that you can easily search, filter, and use in software like PS, AI, Sketch, and more.

If you found this article helpful, consider bookmarking the FontApp website for more on font trends and typography applications.

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