OpenType.js
Read, inspect and build OpenType font data in a JavaScript project.
What’s included for free?
Free open-source JavaScript font library. It requires programming and integration; font-format/feature support should be checked against the documentation for the project. It is not a ready-made desktop font editor.
Where it runs: Local install
Provider information ↗Checked 2026-10-16
Before you use it
MIT for the library; input fonts and generated derivatives retain any applicable font-licence obligations.
Provider terms can change. Check current pricing and usage rights before starting a project.