Fonts file extensions
Font and glyph container formats used by typography, design, and publishing workflows.
Total extensions in this category: 6
Extensions in Fonts
Explore the most searched extensions in this category.
- .ttf
TrueType Font
.ttf is a TrueType font file used to install and use fonts in operating systems and applications. It may also be an OpenType font that uses TrueType outlines but is still stored with the .ttf extension.
- .otf
OpenType Font
.otf is an OpenType font file used by operating systems and applications to render text. You typically open it by installing the font or by viewing it in a font manager/editor.
- .woff2
WOFF2 Web Font
.woff2 is a WOFF2 (Web Open Font Format 2.0) file used to deliver compressed font data on the web. It’s most commonly “opened” by web browsers via CSS rather than installed like a desktop font.
- .woff
Web Open Font Format (WOFF)
.woff is a web font container format used by websites to deliver fonts efficiently to browsers. You typically “open” it by using it in CSS on a web page, or by inspecting/previewing it with font tools.
- .gf
GF data
.gf files are TeX/METAFONT “generic font” bitmap output files, typically converted to .pk for use by DVI/TeX tools. You usually open them with TeX utilities like gftype or convert them with gftopk.
- .pk
PK data
.pk files are most commonly TeX Packed (PK) bitmap font files used by TeX/Metafont workflows. They are typically inspected or converted with TeX utilities such as pktype, gftopk, and pktogf rather than “opened” in a general-purpose app.