CKEditor 3.x is a new version of our previous editor, known as FCKeditor 2.x. The 3.x line brought about not only a name change, but also a complete rewrite of the product, including major changes in its architecture. To make upgrading existing customizations easier, the table below lists the mappings between the configuration settings of CKEditor and its predecessor.
Configuration Settings Mapping Between FCKeditor and CKEditor
This website contains links to software which is either no longer maintained or will be supported only until the end of 2019 (CKFinder 2). For the latest documentation about current CKSource projects, including software like CKEditor 4/CKEditor 5, CKFinder 3, Cloud Services, Letters, Accessibility Checker, please visit the new documentation website.