Can you remember the last time you wiped your MacBook and reinstalled everything? I'd guess somewhere around "never," but there are plenty of reasons you might want to Exterminatus your system, ranging from the serious (a major error with macOS) to the so-so (your system feels sluggish after all the crap you've put on it over the last three years).

Chrome/Firefox/Opera: When Privacy Badger launched a few years ago, it was already a great tool to block third-party trackers, speed up the web and stop sites from watching your every move while you browse. The latest version is a huge improvement, in almost every way.

Chrome: Want to know what's behind the linked file you're about to download? Preview it first with Peek, a simple Chrome extension that works with most common downloadable files on the internet.

Chrome: We've all been there -- you open a site in a new tab, and it starts playing audio in the background. Or worse, you open it in the foreground and it starts a video in some random corner of the page while you read an article. Silent Site Sound Blocker puts an end to that nonsense for good.

Mac: Ever wished your Dock had more levels? Station is a replacement Dock that allows you to create groupings that can then be stacked up into multiple levels.