---
category: api-reference
---

# CKEditor&nbsp;5 show blocks feature

This package implements the show blocks feature for CKEditor&nbsp;5. It graphically presents all block-level content elements by surrounding them with an outline and the element name.

## Demo

Check out the {@link features/show-blocks#demo demo in the show blocks feature guide}.

## Documentation

See the {@link features/show-blocks show blocks} feature guide and the {@link module:show-blocks/showblocks~ShowBlocks} plugin documentation.

## Installation

This package is part of our open-source aggregate package.

```bash
npm install ckeditor5
```

## Contribute

The source code of this package is available on GitHub in [https://github.com/ckeditor/ckeditor5/tree/master/packages/ckeditor5-show-blocks](https://github.com/ckeditor/ckeditor5/tree/master/packages/ckeditor5-show-blocks).

## External links

* [`@ckeditor/ckeditor5-show-blocks` on npm](https://www.npmjs.com/package/@ckeditor/ckeditor5-show-blocks)
* [`ckeditor/ckeditor5-show-blocks` on GitHub](https://github.com/ckeditor/ckeditor5/tree/master/packages/ckeditor5-show-blocks)
* [Issue tracker](https://github.com/ckeditor/ckeditor5/issues)
* [Changelog](https://github.com/ckeditor/ckeditor5/blob/master/CHANGELOG.md)
