Chrome //
Extensions 
Chrome
Web store 
Delete Facebook™ Posts, Photos, etc.
Delete Facebook™ Activity - Posts, Comments, Messages, Photos, Videos
Genius Posts
Respond to all comments on a post with one click, and send a custom message. Get maximum post exposure and engagement automatically.
Tumblr Posts Fix
Reverts the way comments look back to the pyramid blockquotes style. Works for the dashboard and the reblog editor!
Block NSFW posts from Reddit at work
Sometimes you browse reddit at work. We get it... we do it too. But randomly clicking a NSFW post isn't worth getting fired over...