Editor.js
Add block-style editing to a website and store clean JSON instead of treating the whole document as HTML.
What’s included for free?
Free open-source block-editor core with JSON output. Individual block tools/plugins can have separate licences; you provide the surrounding application, storage and deployment.
Where it runs: Local install
Provider information ↗Checked 2026-10-15
Before you use it
Apache-2.0 software; retain licence and applicable NOTICE information and mark changes when redistributing. Content has separate rights.
Provider terms can change. Check current pricing and usage rights before starting a project.