- Heading
- IBM Plex Serif
- Body text
- Plex
- A serif with a sans serif: clear contrast of structure
- The same x-height: lowercase letters stand equally tall
- A shared mood: business-like, serious
Plex is a free font by IBM, released under the OFL-1.1 license. Of the 1069 languages we checked, 449 have every letter of their basic alphabet in this font. The x-height is 52% of the em and the capital height is 70%.
Plex is a sans-serif font designed by IBM and released under the SIL Open Font License 1.1 (OFL-1.1), so it is free to use. It supports Latin and Cyrillic scripts and contains 7092 glyphs. The family includes 16 styles with weights from 100 to 700, and it is a variable font. IBM developed it as an open-source project.
Marked from the shapes of the letters by an AI model, not by the author of the font.
Plex has every letter of the basic alphabet, capitals included, for 449 languages of the 1069 we checked (language data: Google Fonts). The biggest languages come first.
…and 341 more languages that are not listed here.
Characters people often look for. “Included” means the font has all signs of the group.
Extras you can switch on in design software or in CSS with font-feature-settings.
ligakernfraczerosupssubsordnsaltA plain summary, not legal advice. What counts is the license text that comes with the download.
OFL-1.1
Under the SIL Open Font License a modified font must stay under the same license and may not use the original name if the author reserved it. The font may be bundled with software but not sold by itself.
Read the license textInstall the .ttf or .otf files, not both versions of the same font; unzip the archive first.
Yes. Plex is distributed under the OFL-1.1 license, which allows free use, including in commercial projects. The license text is in the download.
Yes, Plex includes Cyrillic glyphs.
Plex covers 449 of the 1069 languages we checked: it has every letter of their basic alphabets, in both cases. The full list is in the Supported languages section of this page.
Yes. Plex is a variable font: weight and other properties change smoothly inside one file instead of needing a separate file for each style.
Download the family archive and unzip it. On Windows, right-click the .ttf or .otf file and choose Install; on macOS, double-click the file and click Install Font. Restart your program afterwards. Step-by-step guides are in the Guides section.
Plex was created by IBM.
Judging by its design, Plex suits: body text, magazines and editorial, headings.
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