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This website contains links to software which is either no longer maintained or will be supported only until the end of 2019 (CKFinder 2).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

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.png 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 or a browser that does not appear in the table, 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 editing area as shown below.

CKEditor notsupported.png


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.

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