If you don't want to actually write the code and deal with the browser webstores, you can also use an "extension builder" tool like https://www.pixiebrix.com/ h

If you don't want to actually write the code and deal with the browser webstores, you can also use an "extension builder" tool like https://www.pixiebrix.com/ https://www.pixiebrix.com/ to call APIs, move data around, and build simple UIs.