The Long-Term Support (LTS) Edition is a paid add-on for enterprise customers who need extended maintenance, security updates, and critical compatibility fixes for up to three years without breaking changes. It is only available under a commercial license.
This will satisfy the license requirement and prevent the license-key-missing error, but the "Powered by CKEditor" logo will remain visible.
✅ If you're building an open-source project or using only the standard free features (bold, italic, lists, images, etc.), you generally don’t need a license key. ckeditor 5 license key
Export to PDF/Word, Import from Word, Paste from Word, Table of Contents, or Revision History. Premium Features Enabled by the License Key
Premium features and dedicated technical support are excluded. Commercial Licenses The Long-Term Support (LTS) Edition is a paid
Have questions about your specific implementation or licensing scenario? Consult the official CKEditor 5 Licensing FAQ or contact CKSource sales directly.
ClassicEditor .create( document.querySelector( '#editor' ), // Add your premium or commercial license key here licenseKey: 'YOUR_CKEDITOR_5_LICENSE_KEY_HERE', // Your other configuration options toolbar: [ 'heading', ' ) .then( editor => console.log( 'Editor initialized successfully!' ); ) .catch( error => console.error( error ); ); Use code with caution. 2. React Integration ✅ If you're building an open-source project or
It removes the "CKEditor 5 premium features" trial watermark.
: Even free accounts require a specific license key for cloud distribution.