before initializing the editor:
For GPL installations, you must explicitly set the license key string to 'gpl' in your code to remove editor watermarks or console warnings. 2. The Commercial License
How to get and activate a license key
The GPL license applies to the entire editor, including the core. Even basic features (like bold, italic, lists) fall under GPL unless you purchase a commercial license and use the license key.
When initializing the editor using a standard build or installation, add the licenseKey property to your configuration object: javascript
When you purchase a license from the CKEditor Pricing Page , you receive:
ClassicEditor.create( document.querySelector( '#editor' ), // For commercial users: licenseKey: ' ', // For open-source (GPL) users: // licenseKey: 'GPL', // ... other configuration options ... ); Use code with caution. Copied to clipboard 4. Common Issues & Error Codes If your key isn't working, check for these common mistakes:
If you load CKEditor via CDN, add this before the editor script:
Always check your use case against CKEditor 5’s licensing FAQ. When in doubt, start with the free GPL version, and upgrade only if you need closed-source rights or premium features.
Have questions about your specific implementation or licensing scenario? Consult the official CKEditor 5 Licensing FAQ or contact CKSource sales directly.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. @ckeditor/strapi-plugin-ckeditor - npm
The free GPL version does not require any key. You can download, install, and run it without registration.
If you have purchased a commercial subscription, replace 'gpl' with your unique alphanumeric key: javascript
Essential for editorial workflows. Export to PDF/Word: High-quality document conversion. AI Assistant: Integrating LLMs directly into the editor.