Home > Blog > Posts > Use custom image icon at category blockUse custom image icon at category blockby Zendesk Themes in Zendesk Guide Theme on January 24, 2023 In the below video, we will show you how to add your custom image icons to category blocks in our themes.Rename your image (category-CATEGORY-ID.svg)The image must be in .SVG format (We recommend using SVG image icons as they look beautiful on all devices)You can use the icon size (100x100px)Upload the image in “assets“Your custom image icon will appearSaveNote: The process is the same in all our Zendesk themes, so we have added only one video. How to find CATEGORY-IDClick any category block at your Help CenterGo to the URL (address bar of your browser)You can find your CATEGORY-ID here Categories: Zendesk Guide Theme Tags: category block image custom icon tips and tricks zendesk category blocks Zendesk Guide Theme Zendesk Theme zendesk theme customization