Aside from the obvious adblockers, here are some useful tools:

Consent-O-Matic: Annoyed by those pesky cookie consent forms? This extension auto-completes and submits the form for you!

Dark reader (Chrome): Togglable dark-mode for all websites.

Clearly reader (Chrome): If you truly wish to return to the old days this extension will remove all unnecessary elements on a website and generate a clean document in the same browser window, leaving you with a simple text/image site to read.