Edit user settings
Open the Settings page, click Users & Roles, and click edit next to your user name.
Open the Developer menu
Check the Developer box, then open the Developer menu at the top of the screen.
Add Image Resizer
Add this shortcode to any text field to create a new Image Resizer.
Start to edit your Image Resizer Plugin:
Visit the live SpaceCraft web page and click the gear icon in the top right corner of the Image Resizer Plugin.