CKEditor 4 reached
its End-of-Life
in June 2023

Protect your apps from security vulnerabilities and third-party API changes with Extended Support Model Package.

Full of features

  • Paste from Word, Excel and Google Docs.
  • Excellent tables support with columns resizing, selecting rows and columns.
  • Media embeds, widgets, code snippets, math formulas.
  • Autocomplete, @mentions, emoji ūüėä plugins.
  • Various styling and formatting plugins
  • Image plugins for all purposes: images with captions, classic resizable images, responsive images.
  • Free HTML editing and source mode.

Easy to use

  • Learn how to launch CKEditor 4 in a few minutes with a simple API and documentation.
  • Quickly build your custom editor thanks to the online builder with 400+ plugins.
  • 240+ configuration options allow you to fine-tune every tiny detail without writing any code.
  • Easily adjust the toolbar with the toolbar configurator.

CKEditor 4 reached its End-of-Life in June 2023

Learn how to protect your apps from security vulnerabilities and third-party API changes with Extended Support Model Package.

Pluggable and customizable

  • Plugin-based and event-based architecture allows you to enhance CKEditor functionality without having to fork it.
  • Write your own plugins following simple tutorials. Well-documented CKEditor 4 API and extensive documentation full of examples and code snippets will help you, too.
  • Learn from the source code of plugins included in CKEditor 4. It is Open Source ‚̧ԳŹ!

Enterprise WYSIWYG HTML editor

  • Wide browser support including legacy browsers.
  • Exceptional security: As an Open Source application with many enterprise customers, CKEditor 4 is constantly checked by pentesters, security scanners and source code analysis tools.

Truly global

  • 70 language versions.
  • User interface with LTR and RTL support (e.g. for Arabic or Hebrew).
  • Dedicated plugins for setting text direction (mixing RTL and LTR content) and for text part language (e.g. quoting a German phrase in an English sentence).
  • Great composition (IME) support for languages such as Chinese, Japanese, Korean.

Easy to integrate

  • CKEditor 4 integrates easily with modern JavaScript tools, frameworks and technologies, including package managers such as npm, NuGet, Composer, yarn and pnpm or bundlers such as webpack or Rollup.js.
  • Native integrations with Angular, React and Vue.js are available for your convenience.
  • Building a mobile or cross-platform desktop application with JavaScript? CKEditor 4 is compatible with Electron and mobile devices (Android, iOS).

Great accessibility

  • WCAG 2.0 AA and Section 508 compliant.
  • Excellent keyboard support.
  • High contrast support and support for screen readers such as JAWS.
  • Optional Accessibility Checker for analyzing if the content created by users is accessible.

Frequently asked questions

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As of 30 June 2023, CKEditor 4 is considered end-of-life (EOL) software. That means there are no new security patches, bug fixes, features or releases coming out for CKEditor 4. We strongly encourage you to upgrade to CKEditor 5 to get the latest, most secure version of our editor.

Alternatively, you can purchase the Extended Support Model Package for CKEditor 4 to get access to ongoing security fixes for a limited time.

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The final public security patches for CKEditor 4 were delivered by 30 June 2023. If you want to continue using CKEditor 4 beyond this date, we recommend buying our Extended Support Model Package. This gives you access to essential security fixes for CKEditor 4 until December 2026.

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Upgrading from CKEditor 4 to CKEditor 5 gives you all the benefits of our leading-edge editor, completely rewritten in TypeScript. Follow our step-by-step upgrade guide to get started. More questions? Contact our support team.

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The CKEditor Long Term Support (LTS) Package is the version of CKEditor 4 exclusively for people who have purchased our Extended Support Model Package. Customers who buy the Extended Support Model get a new license key for activating the LTS Package.

The LTS Package is the only version of CKEditor 4 that has access to essential security fixes. You can download the latest CKEditor 4 LTS Package version here.

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