# Extensions

## #gallery

## Using Extensions

In the web editor, click on ``Settings`` then ``Extensions`` to search and add extensions to the project.
The Blocks and JavaScript definitions will be automatically loaded in the editor.

## Custom extensions

The [Build Your Own Extension](https://makecode.com/extensions/getting-started) manual is for advanced users who want to publish their own extension. 

## ~ hint

**Extensions** were previously called **Packages** in MakeCode.

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