To use them drag them into your bookmarks bar. (These are a joke, They don't break anything, They are just fun tools. You should be able to reload the page to fix anything you do using these.)
WINDOWS COMPUTERS ONLY!!!:
These buttons will open apps only if you have the app and if you are using Windows 10 or 11. If your computer doesn't meet these requirements it will go to a blank page. If it does meet the requirements, It will ask you to allow the site to open the app.