Once you purchase a commercial license, you receive a unique license key. This key is used to:
If your commercial license expires and you haven't renewed, the editor will stop functioning. For GPL users, there's no expiration—the 'GPL' key works indefinitely as long as your project remains GPL-compliant.
: If you upgraded from an older version (pre-v44), old keys may not work. You must log in to the portal to get the updated key format . 5. Summary Table: Choosing Your License
If you're working with CKEditor 5, you've likely encountered the licenseKey configuration property. Since version 44.0.0, this is no longer optional—it's a required part of getting your rich text editor up and running. But what exactly is a CKEditor 5 license key, why do you need one, and how do you choose the right option for your project? This article covers everything you need to know. ckeditor 5 license key
" /> ); export default App; Use code with caution. 6. Frequently Asked Questions (FAQ) What happens if I don't provide a license key?
Includes features like Table of Contents , Format Painter, Slash Commands, and Pagination.
: If the free tier doesn't meet your needs, you can choose from predefined plans on the pricing page . For self-hosted deployment or custom requirements, contact the sales team. Once you purchase a commercial license, you receive
Development license keys are restricted to localhost and private network addresses. Production license keys with domain whitelisting enabled restrict usage to specific domains.
CKEditor 5 integrates with many frameworks (React, Angular, Vue, Next.js). Common framework-related issues include:
Validates that your deployment is authorized under a commercial agreement. : If you upgraded from an older version
: No license key is required for the core editor.
: Can use either a commercial key or the 'GPL' string depending on your project's license.
CKEditor 5 requires a to activate premium features or use certain commercial and cloud-hosted distributions . For standard open-source use under GPL terms, you can simply set the key to 'GPL' . Feature Implementation: Adding a License Key
Whether you need a license key depends entirely on your project's legal and distribution model. Open Source (GPLv2+) : Free.