FontForge (previously known as Pfaedit) is an open source font editor, software designed to create and modify outline and bitmap fonts.
FontForge is also a font format converter, and can convert among PostScript (ASCII & binary Type 1, some Type 3s, some Type 0s), TrueType, and OpenType (Type2), CID-keyed, SVG, CFF and multiple-master fonts.
FontForge uses FreeType for rendering fonts on screen. Fonts that have been created with FontForge include DejaVu fonts, Linux Libertine, Beteckna, and Asana-Math.
Also included with FontForge are programs to generate a font thumbnail image, check for certain common errors and to compare two font files (fontimage, fontlint, and sfddiff respectively).
Key Features
- Create or edit glyphs.
- Supports many font formats, including TrueType, PostScript, OpenType, SVG, FON, FNT, Web Open Font Format, and TeX Bitmap fonts.
- Supports Adobe’s OpenType feature file specification.
- Supports the unofficial Microsoft mathematical typesetting extensions (MATH table).
- Convert fonts from one format to another, or can store fonts in its native text-based “spline font database” format (.sfd).
- Uses Potrace or AutoTrace to trace bitmap images and import them into a font.
- 2 scripting languages.
- Internationalization support: (English), Russian, Japanese, French, Italian, Spanish, Vietnamese, Greek, Simplified & Traditional Chinese, German, Polish, and Ukrainian.
Website: fontforge.org
Support: Documentation, GitHub Code Repository
Developer: George Williams
License: Revised BSD License

FontForge is written in C. Learn C with our recommended free books and free tutorials.
Related Software
| Font Editors | |
|---|---|
| FontForge | Create and modify postscript, truetype and opentype fonts |
| fontTools | Library to manipulate font files from Python |
| Birdfont | Vala based font editor |
| Glyphr Studio | Aimed at typeface design beginners and hobbyists |
| Fontra | Browser-based font editor |
| ftcli | Command line interface built with click to edit fonts using fontTools |
| Ygt | Graphical TypeType hinting program |
| Slice | Create custom font design spaces |
| TruFont | Streamlined and hackable font editor |
| Modular Font Editor K | Glyph editor for the Modular Font Editor K project |
Read our verdict in the software roundup.
| Font Renderers | |
|---|---|
| HarfBuzz | OpenType text shaping engine |
| FreeType | Small and efficient software font engine |
| LibICU | Libraries for Unicode and internationalization |
| Fontconfig | Library for configuring and customizing font access |
| FriBidi | Implementation of the Unicode Bidirectional Algorithm |
Read our verdict in the software roundup.
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Beteckna was created with Birdfont