I found this really fast and minimal website where you can search for MDI icons: https://mdisearch.com
I decided to add this as a sidebar menu item and load it an iframe, because I regularly need to find icons for entities, menu items, buttons, etc. (Sometimes I’m in a text editor or on a page where I don’t have search or autocomplete for icons.)
This is a GREAT idea, thank you so much for sharing! I added the code you shared to my config.yaml file, and the icon shows up on the sidebar, but when I click on it I only see a blank page with the MDI Icons header, nothing else. Did I do something wrong?
Hmm, are you able to visit https://mdisearch.com? I would also open the developer console and look to see if there are any JavaScript errors or failing network requests.
I’ll confirm that @ndbroadbent code works as posted in his first message. Installed in my configuration.yaml, restarted HA, clicked on the sidebar link and voila, the MDI page with icons loads