Fontra is an in-development browser-based font editor.
It uses a JavaScript client running in the browser together with a Python server running locally or remotely, giving type designers a modern environment for editing fonts and related data.
This is free and open source software.
Key Features
- Provides a browser-based environment for font editing.
- Uses a JavaScript client and a Python server.
- Can run locally or on a remote machine.
- Supports editing font metadata, kerning, OpenType features, and variation axes.
- Uses a modular client and storage architecture.
- Offers Linux desktop availability via Fontra Pak.
Website: github.com/fontra/fontra
Support:
Developer: fontra
License: GNU General Public License v3.0

Fontra is written in JavaScript. Learn JavaScript with our recommended free books and free tutorials.
Related Software
| Font Editors | |
|---|---|
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| 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 |
| monobit | Collection of tools for working with bitmap fonts |
| Modular Font Editor K | Glyph editor for the Modular Font Editor K project |
| bited | Bitmap font editor for monochrome Unicode BDF fonts |
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