<script> ClassicEditor .create( document.querySelector( '#editor' ), licenseKey: 'YOUR_CKEDITOR_5_LICENSE_KEY_HERE', // <-- Insert key // other config options... ) .catch( error => console.error( error ); ); </script>
TinyMCE and CKEditor 5 are the two "old guards" of enterprise-grade rich-text editing, both offering comprehensive feature sets. Quill is a top choice for developers who want a purely open-source, modern, and API-driven editor. For developers who need maximum customization and are working with React, Slate and TipTap are excellent, though more complex, alternatives.
Select either the free trial, a standard paid subscription, or contact sales for an enterprise tier.
When you purchase a license from the CKEditor Pricing Page , you receive: ckeditor 5 license key
I can provide the exact configuration code for your specific setup. Share public link
Whether you need like AI assistant or Word export? If you plan to use cloud-hosted collaboration tools? Share public link
Hello from CKEditor 5!
Because CKEditor 5 runs in the user's browser, the licenseKey configuration property is inherently visible in the frontend JavaScript source code. This is normal and expected by CKEditor. The key itself is bound to your specific domain names or account ID, meaning someone else cannot easily steal your key and use it on an unauthorized domain without triggering compliance flags on CKEditor's backend tracking. Is there a perpetual license for CKEditor 5?
Now that you understand the what, why, and how of the CKEditor 5 license key, you can confidently integrate the editor into your next project—legally and professionally.
Offers a robust open-source core with optional cloud-paid upgrades. <script> ClassicEditor
Premium features and dedicated technical support are excluded. Commercial Licenses
Acquiring your license key is a straightforward process managed through the CKEditor ecosystem.
: Starting with version 44.0.0, the licenseKey property is required. This error occurs even for a basic GPL setup if the key is missing. For developers who need maximum customization and are
By aligning your project with the correct licensing tier, you support the continuous development of the web's most robust rich text editing ecosystem while building a stable foundation for your app.
If your license key expires or your subscription lapses, the editor may display a visual warning (such as a "Missing License Key" watermark) to end-users, or premium plugins (like PDF export or collaboration) will stop functioning. The core open-source editing features will usually continue to work, but you will be out of legal compliance if your project is proprietary. Can I hide my license key in the frontend code?