ClassicEditor .create( document.querySelector( '#editor' ), // Essential for Premium Features and LTS licenseKey: 'YOUR_LICENSE_KEY_HERE', // Your other configuration toolbar: [ 'bold', 'italic', 'link', 'undo', 'redo' ] ) .then( editor => console.log( 'Editor was initialized', editor ); ) .catch( error => console.error( error.stack ); ); Use code with caution. Copied to clipboard 3. Why the License Key is Necessary
CKEditor 5 has undergone a significant evolution in its licensing model, making the license key a central pillar of its activation process. With the release of version 44.0.0 in December 2024, licenseKey became a required configuration property for all users, fundamentally changing how developers integrate this rich text editor.
: Access to LTS versions requires a specific commercial LTS license key . ckeditor 5 license key hot
import ClassicEditor from 'ckeditor5';
: The standard way to get a production key is through a paid plan. You can also start with a 14-day free trial ClassicEditor
ClassicEditor .create(document.querySelector('#editor'), licenseKey: '<YOUR_LICENSE_KEY>' // Or 'GPL' ) .then(editor => console.log('Editor initialized successfully'); ) .catch(error => console.error(error); );
Avoid searching for temporary "hot" keys that threaten your application's uptime and legal standing. Explicitly define your 'gpl' configuration if you qualify for the open-source path, or leverage the official free tier to get a dedicated commercial key safely. With the release of version 44
You need a license key in the following situations:
If you are developing a product for a client or an internal enterprise tool, using an unauthorized license key violates the CKEditor 5 End User License Agreement (EULA). This can result in costly compliance audits, copyright infringement claims, and forced codebase refactoring under tight deadlines. 3. Supply Chain Security Flaws
Once you have your key, add it to your editor’s configuration object as shown below: javascript ClassicEditor 'ckeditor5' ;
Paid (Subscription-based or custom enterprise pricing)