# Tools

Several tools allow you to work with map layer data.

The tools of the [Edition](https://docs-jmapserver-lima.k2geospatial.com/v/e/extensions/edition) extension allow you to edit layer data, i.e. add elements, modify their geometry, location or attributes or delete them. 

{% hint style="info" %}
To be able to edit a layer, you must have editing permissions granted by your JMap administrator.
{% endhint %}