# CKEditor 4 (dev) [![Tweet](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=Check%20out%20CKEditor%204%20on%20npm&url=https%3A%2F%2Fwww.npmjs.com%2Fpackage%2Fckeditor4-dev)
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A highly configurable WYSIWYG HTML editor with hundreds of features, from creating rich text content with captioned images, videos, tables, or media embeds to pasting from Word and drag&drop image upload.
Supports a broad range of browsers, including legacy ones.
**Note: This is a developer version.** Use the [CKEditor 4 optimized package](https://www.npmjs.com/package/ckeditor4) for production environment.
![CKEditor 4 screenshot](https://c.cksource.com/a/1/img/npm/ckeditor4.png)
## Getting Started
```
npm install --save ckeditor4-dev
```
Use it on your website:
```html
This is the editor content.
```
You can also load CKEditor 4 using [CDN](https://cdn.ckeditor.com/#ckeditor4).
## Features
* Over 500 plugins in the [Add-ons Repository](https://ckeditor.com/cke4/addons).
* Pasting from Microsoft Word and Excel.
* Drag&drop image uploads.
* Media embeds to insert videos, tweets, maps, slideshows.
* Powerful clipboard integration.
* Content quality control with Advanced Content Filter.
* Extensible widget system.
* Custom table selection.
* Accessibility conforming to WCAG and Section 508.
* Over 60 localizations available with full RTL support.
## Presets
The CKEditor 4 dev npm package comes in the `full-all` preset, so it includes all official CKEditor plugins, with those from the [full package](https://ckeditor.com/docs/ckeditor4/latest/examples/fullpreset.html) active by default.
## Further Resources
* [CKEditor 4 demo](https://ckeditor.com/ckeditor-4/)
* [Documentation](https://ckeditor.com/docs/ckeditor4/latest/)
* [API documentation](https://ckeditor.com/docs/ckeditor4/latest/api/index.html)
* [Configuration reference](https://ckeditor.com/docs/ckeditor4/latest/api/CKEDITOR_config.html)
* [CKEditor Examples](https://ckeditor.com/docs/ckeditor4/latest/examples/index.html)
If you are looking for CKEditor 5, here's a link to the relevant npm package:
## Browser Support
| [](http://godban.github.io/browsers-support-badges/)IE / Edge | [](http://godban.github.io/browsers-support-badges/)Firefox | [](http://godban.github.io/browsers-support-badges/)Chrome | [](http://godban.github.io/browsers-support-badges/)Chrome (Android) | [](http://godban.github.io/browsers-support-badges/)Safari | [](http://godban.github.io/browsers-support-badges/)iOS Safari | [](http://godban.github.io/browsers-support-badges/)Opera |
| --------- | --------- | --------- | --------- | --------- | --------- | --------- |
| IE8, IE9, IE10, IE11, Edge| latest version| latest version| latest version| latest version| latest version| latest version
Find out more in the [Browser Compatibility guide](https://ckeditor.com/docs/ckeditor4/latest/guide/dev_browsers.html#officially-supported-browsers).
## Contribute
If you would like to help maintain the project, follow the [Contribution instructions](https://github.com/ckeditor/ckeditor4/blob/master/.github/CONTRIBUTING.md).
## License
Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or