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CKEditor logo.png
CKEditor Screenshot.png
CKEditor Screenshot
Original author(s) Frederico Caldeira Knabben
Developer(s) CKSource
Initial release March 2003; 14 years ago (2003-03)
Stable release
4.5.10[1] / July 13, 2016; 8 months ago (2016-07-13)
Development status Active
Written in JavaScript
Operating system Cross-platform
Type HTML editor, text editor
License GPL, LGPL and MPL[2]

CKEditor (formerly FCKeditor) is an open source WYSIWYG text editor designed to bring common word processor features directly to web pages, simplifying their content creation. Its core code is written in JavaScript.

History of CKEditor project[edit]

The first version of CKEditor, under the name FCKeditor, was released in March 2003 by Frederico Caldeira Knabben, the creator of the editor and the project's Benevolent Dictator for Life. After crossing 3 million downloads, FCKeditor was completely reviewed and redesigned into CKEditor 3.0, with special attention given to performance, accessibility and a new UI. In December 2012, CKEditor 4.0 was released with an Inline Editing solution, reformatted source code, enhanced DOM and CSS performance. The server side implementations were removed.


CKEditor was previously called FCKeditor for the initials of its creator, Frederico Caldeira Knabben. It was renamed because in English "FCK" suggests "fuck", a rude word.[3]


CKEditor uses YUI Graded Browser Support as the basis for its compatibility requirements. CKEditor 3.x is compatible with most internet browsers, including Internet Explorer 6.0, 7.0, 8.0, 8.0 Quirks, 9.0 (Windows), all major Firefox releases starting from 3.†, Safari 5.†, latest stable Google Chrome, latest stable Opera and Camino 1.0+ (Macintosh).[4]


CKEditor has features found in desktop word processors such as styles formatting (bold, italic, underline), web resource linking, a safe undo function, paste from Word and other common HTML formatting tools. Also CKEditor has built-in spell checker functionality provided as plug-ins by WebSpellChecker LLC. By default, it is available for free with a banner ad.[5] It checks the spelling of the text and marks all errors with a red wavy line and allows to choose one of the correct suggestions.


External links[edit]