ckeditor4-react

CKEditor 4 WYSIWYG editor component for React

⚠️ CKEditor 4: End of Life and Extended Support Model until Dec 2028

CKEditor 4 was launched in 2012 and reached its End of Life (EOL) on June 30, 2023.

A special edition, CKEditor 4 LTS ("Long Term Support"), is available under commercial terms ("Extended Support Model") for anyone looking to extend the coverage of security updates and critical bug fixes.

With CKEditor 4 LTS, security updates and critical bug fixes are guaranteed until December 2028.

About this repository

Master branch = CKEditor 4 LTS React Component

After June 30, 2023 the master version of the LICENSE.md file changed to reflect the license of CKEditor 4 LTS available under the Extended Support Model.

This repository now contains the source code of CKEditor 4 LTS React Component that is protected by copyright law.

Getting CKEditor 4 (Open Source)

You may continue using CKEditor React Component 4.3.0 and below under the open source license terms. Please note, however, that the open source version no longer comes with any security updates, so your application will be at risk.

In order to download the open source version of CKEditor 4 React Component, use tags 4.3.0 and below. CKEditor React Component 4.3.0 was the last version available under the open source license terms.

About this package

Official CKEditor 4 WYSIWYG editor component for React.

We are looking forward to your feedback! You can report any issues, ideas or feature requests on the integration issues page.

Usage

import React from 'react';
import { CKEditor } from 'ckeditor4-react';

function App() {
	return <CKEditor initData="<p>This is an example CKEditor 4 WYSIWYG editor instance.</p>" />;
}

export default App;

Documentation and examples

See the CKEditor 4 WYSIWYG Editor React Integration article in the CKEditor 4 documentation.

You can also check out CKEditor 4 WYSIWYG Editor React Integration example in CKEditor 4 Examples.

For even more examples, check out ready-to-fork samples inside samples directory. Each sample is a self-contained app that can be forked via GitHub or via services such as CodeSandbox. For instance, in order to clone basic sample, use this link.

React support

The CKEditor 4 React integration was tested with React 18.

TypeScript support

TypeScript 3.5+ is supported.

Browser support

The CKEditor 4 React integration works with all the supported browsers except for Internet Explorer.

Previous versions of ckeditor4-react also support Internet Explorer 11 (requires additional polyfill for Promise).

Contributing

See CONTRIBUTING.md.

License

Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.

For full details about the license, please check the LICENSE.md file.

CKEditor 4 React Component 4.3.0 and below for CKEditor 4 Open Source

Licensed under the terms of any of the following licenses at your choice:

• GNU General Public License Version 2 or later,
• GNU Lesser General Public License Version 2.1 or later,
• Mozilla Public License Version 1.1 or later (the "MPL").

CKEditor 4 React Component 5.0 and above for CKEditor 4 LTS ("Long Term Support")

CKEditor 4 LTS React Component (starting from version 5.0) is available under a commercial license only.

Changelog

ckeditor4-react 5.2.1

Other Changes:

• Updated default CDN CKEditor 4 dependency to 4.25.1-lts.
• Updated license headers to 2025.
• Updated readme files to reflect the new CKEditor 4 Extended Support Model end date.

Please note that this patch release doesn't provide any security fixes. It's a part of our administrative maintenance updates.