CKEditor Compatibility

This website contains links to software which is either no longer maintained or will be supported only until the end of 2019 (CKFinder 2).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.

If you look for an information about very old versions of CKEditor, FCKeditor and CKFinder check also the CKEditor forum, which was closed in 2015. If not, please head to StackOverflow for support.

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One of the strongest features of CKEditor is its almost unlimited compatibility. CKEditor is a JavaScript application, so it simply works with all server technologies, just like a simple <code>textarea</code> element. On the client side, it has been developed with all major browsers in mind, and supports Internet Explorer, Mozilla Firefox, Google Chrome, Safari, Camino and Opera. It can even be used in the old and notoriously bug-ridden Internet Explorer 6!
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== Compatible browsers ==
 
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Revision as of 13:35, 10 December 2010

One of the strongest features of CKEditor is its almost unlimited compatibility. CKEditor is a JavaScript application, so it simply works with all server technologies, just like a simple textarea element. On the client side, it has been developed with all major browsers in mind, and supports Internet Explorer, Mozilla Firefox, Google Chrome, Safari, Camino and Opera. It can even be used in the old and notoriously bug-ridden Internet Explorer 6!

Compatible browsers


Windows Windows.png Mac Mac.png Linux Linux.png
Internet Explorer 6.0+ Ie.png YES N/A N/A
Firefox 3.0+ Firefox.png YES YES YES
Safari 4.0+ Safari.png YES YES N/A
Opera (latest stable) Opera YES YES YES
Google Chrome (latest stable) Chrome.png YES YES YES
Camino 1.0+ Camino.png N/A YES N/A


Incompatible browsers

If you use an older version of one of the browsers listed above, a browser that does not appear in the table, or a browser with JavaScript support turned off, CKEditor's functionality may be limited or the editor might not work at all. In the latter case the editor toolbar will not be visible and you will only be able to enter the HTML code in the textarea element as shown below.

Document source code displayed in a textarea element in a browser that does not support CKEditor


If you want to benefit from all features of a full-fledged version of CKEditor, we recommend installing one of the numerous compatible browsers listed above.