If you have a valid commercial license:
If you downloaded a custom build from the CKEditor 5 Online Builder , the licenseKey configuration is usually pre-filled with a placeholder or a trial key. Replace it with your paid key.
If you fall into the commercial category, you must purchase a license from CKSource (the company behind CKEditor) and .
Enabling tracking changes and providing feedback.
CKEditor 5 is a powerful, modern rich-text editor built with a modular architecture. Whether you are building a content management system, a messaging app, or a complex document editor, CKEditor 5 is likely on your radar.
If your project is compatible with the license, you do not need a unique key. You can simply use the string 'GPL' in your configuration. Key : 'GPL' Usage : javascript
If you're unsure which licensing model fits your project, tell me:
If you use the open-source version in an application you distribute to others, your entire application must also be open-source under a GPL-compatible license.
Highly modular; users appreciate being able to build only the plugins they need. Cons:
CKEditor 5 is distributed under a . This means it can be used for free under an Open Source license or through a paid Commercial license. The Open Source Route (GPL v2+)
The easiest way to get started is to start a commitment-free trial on the CKEditor website. This gives you instant access to a temporary license key to test premium features.
If you have a valid commercial license:
If you downloaded a custom build from the CKEditor 5 Online Builder , the licenseKey configuration is usually pre-filled with a placeholder or a trial key. Replace it with your paid key.
If you fall into the commercial category, you must purchase a license from CKSource (the company behind CKEditor) and .
Enabling tracking changes and providing feedback.
CKEditor 5 is a powerful, modern rich-text editor built with a modular architecture. Whether you are building a content management system, a messaging app, or a complex document editor, CKEditor 5 is likely on your radar.
If your project is compatible with the license, you do not need a unique key. You can simply use the string 'GPL' in your configuration. Key : 'GPL' Usage : javascript
If you're unsure which licensing model fits your project, tell me:
If you use the open-source version in an application you distribute to others, your entire application must also be open-source under a GPL-compatible license.
Highly modular; users appreciate being able to build only the plugins they need. Cons:
CKEditor 5 is distributed under a . This means it can be used for free under an Open Source license or through a paid Commercial license. The Open Source Route (GPL v2+)
The easiest way to get started is to start a commitment-free trial on the CKEditor website. This gives you instant access to a temporary license key to test premium features.