F.B. (FluffBusting) Purity for Chrome, Firefox, Edge, Safari, and Maxthon is a free extension that cleans up and customizes Facebook, letting you filter out the junk you don't want to see.

F.B. Purityhides all the ads, game spam, sponsored posts, and other annoying stuff on Facebook and generally makes Facebook less annoying to use. This browser extension/add-on allows you to clean up and customize Facebook. It filters out the junk you don't want to see, leaving behind the stories and page elements you do wish to see. The list of story types that FBP hides is customizable to your taste.

User-guide is available to assist in setting up the extension.

F.B. Purity for Features

An option to Force Facebook to sort Newsfeed by "Most Recent"

An option to sort Notifications chronologically

Hide all game and application posts, including "Games your friends are playing" and "Games you may like." It also gives you the option to whitelist application posts that you want to see in your Newsfeed, so the app/game spam filter won't hide them.

Adds an easily accessible Block Application ("BA") link to every game/app post, so you can easily block games/apps from your news-stream and from getting your data.

Filters out game and application posts and other extraneous posts on profile pages

Hide the Sponsored Posts(aka Hide all adverts )

Hide Upcoming Events

Change Facebook's colors (font and background/theme) (Choose what color font and background you want to customize the site to your liking)

Choose your Custom Reactions images (Customize Facebook's reactions with your reaction packs)

Hide links in the left column, including App Center, Like Pages, Pages Feed, Games Feed, Events, Pokes, Music, Places Editor, Sale Groups, etc.

Hide all the ads. (FBP is the best adblocker for Facebook)

Remove colored backgrounds from statuses

View Your list of Deactivated Friends

Tell you who deleted/unfriended/blocked me/you

Similar:

Why You Shouldn't Share Giveaways on Facebook

Why You Shouldn't Take Facebook Surveys or Quizzes

How to Stop Facebook’s Targeted Advertising

How to See Less Alcohol, Parenting, Pets, and Political Ads on Facebook


Editor's Note:
Firefox requires Tampermonkey and Safari requires Greasemonkey.