The Tor Browser is a modified version of Firefox that sends your requests bouncing through the Tor network, an encrypted swamp that hides the connection between you and the website. It makes using the Tor network so much easier.
The Epic browser deploys a number of privacy-enhancing features, including blocking the web “trackers” employed by advertising companies. The developers worked hard to give you more control over the data that’s stored and the data that’s hidden. You have power over cookies, cache, and the history—if you choose to use it. Power is wonderful, especially over personal data.
These are only two of the more extreme options. The regular browsers like Opera and Firefox also protect their users. Even Chrome can be reconfigured to turn off some of the tracking that Google uses to deliver its services. But as you might expect, Google likes Chrome to support its core business built upon tracking what we do on the web.