This extension is for the Star Wars Destiny Database website: https://swdestinydb.com/
This takes the filter buttons that exist on the deckbuilder/collection pages and adds them to the top of the page on the /find page. It will translate these buttons into the query syntax of the /find page.
Source available here:
https://github.com/snuffylookingnerfherder/swdestinydb-chrome-extension