However, you can use HostsMan to block ads because you can use it to block connections to ad networks vis-a-vis the HOSTS file. The process is actually quite a bit easier than it sounds — you only have to click a few buttons — and it is very effective

Ad blockers are one of the best ways to help secure your privacy online, reduce clutter on websites, and avoid spyware-infected ads. Although it’s certainly possible to find a paid ad blocking software, there’s no reason to spend money on one.

This wikiHow teaches you how to install and use an adblocker in your desktop browser as well as on your iPhone, though you can't download an adblocker for Android. The best adblocker for you will vary depending on the browser that you use.