Top 5 Best Free UI Design Fonts for Website & Mobile App

Top 5 Best Free UI Design Fonts for Website & Mobile App

1. Roboto

Roboto has a dual nature. It has a mechanical skeleton and the forms are largely geometric. At the same time, the font features friendly and open curves. While some grotesks distort their letterforms to force a rigid rhythm, Roboto doesn’t compromise, allowing letters to be settled into their natural width. This makes for a more natural reading rhythm more commonly found in humanist and serif types.

This is the regular family, which can be used alongside the Roboto Condensed family and the Roboto Slab family.

To contribute, see github.com/google/roboto

Designer:Christian Robertson

2. Poppins

Geometric sans serif typefaces have been a popular design tool ever since these actors took to the world’s stage. Poppins is one of the new comers to this long tradition. With support for the Devanagari and Latin writing systems, it is an internationalist take on the genre.

Many of the Latin glyphs (such as the ampersand) are more constructed and rationalist than is typical. The Devanagari design is particularly new, and is the first ever Devanagari typeface with a range of weights in this genre. Just like the Latin, the Devanagari is based on pure geometry, particularly circles.

Each letterform is nearly monolinear, with optical corrections applied to stroke joints where necessary to maintain an even typographic color. The Devanagari base character height and the Latin ascender height are equal; Latin capital letters are shorter than the Devanagari characters, and the Latin x-height is set rather high.

The Devanagari is designed by Ninad Kale. The Latin is by Jonny Pinhorn. To contribute, see github.com/itfoundry/poppins

Designer: Indian Type Foundry & Jonny Pinhorn

3. Open Sans

Open Sans is a humanist sans serif typeface designed by Steve Matteson, Type Director of Ascender Corp. This version contains the complete 897 character set, which includes the standard ISO Latin 1, Latin CE, Greek and Cyrillic character sets. Open Sans was designed with an upright stress, open forms and a neutral, yet friendly appearance. It was optimized for print, web, and mobile interfaces, and has excellent legibility characteristics in its letterforms.

In March 2021, the family has been updated to a variable font family and it also includes Hebrew.

To contribute, see github.com/googlefonts/opensans

Designer: Steve Matteson

4. Inter

Inter is a variable font family carefully crafted & designed for computer screens.

Inter features a tall x-height to aid in readability of mixed-case and lower-case text. Several OpenType features are provided as well, like contextual alternates that adjusts punctuation depending on the shape of surrounding glyphs, slashed zero for when you need to disambiguate “0” from “o”, tabular numbers, etc.

The Inter project is led by Rasmus Andersson, a Swedish maker–of–software living in San Francisco. To contribute, see github.com/rsms/inter

Designer: Rasmus Andersson

5. Lato

Lato is a sans serif typeface family started in the summer of 2010 by Warsaw-based designer Łukasz Dziedzic (“Lato” means “Summer” in Polish). In December 2010 the Lato family was published under the Open Font License by his foundry tyPoland, with support from Google.

In the last ten or so years, during which Łukasz has been designing type, most of his projects were rooted in a particular design task that he needed to solve. With

Lato, it was no different. Originally, the family was conceived as a set of corporate fonts for a large client — who in the end decided to go in different stylistic direction, so the family became available for a public release.

When working on Lato, Łukasz tried to carefully balance some potentially conflicting priorities. He wanted to create a typeface that would seem quite “transparent” when used in body text but would display some original traits when used in larger sizes. He used classical proportions (particularly visible in the uppercase) to give the letterforms familiar harmony and elegance. At the same time, he created a sleek sans serif look, which makes evident the fact that Lato was designed in 2010 — even though it does not follow any current trend.

The semi-rounded details of the letters give Lato a feeling of warmth, while the strong structure provides stability and seriousness. “Male and female, serious but friendly. With the feeling of the Summer,” says Łukasz. Learn more at www.latofonts.com

Update, August 2014: The previous version of Lato included Extended Latin characters in the Latin subset. If you are experiencing problems, please select the Extended Latin (latin-ext) subset to render all European languages correctly. Here is an example of a complete link tag that selects these subsets:

<link href=’http://fonts.googleapis.com/css?family=Lato&subset=latin,latin-ext' rel=’stylesheet’ type=’text/css’>

Designer: Łukasz Dziedzic

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