Hack Prank | Settings × -. Make people believe that their computer had been hacked, opening this website on their device in full screen. Sit back and watch their reaction. Title: Message: We've taken over your computer. Your files have been encrypted.

Online pranks to secretly open on your friend's computer in full screen. Simulate that your computer is running an old Windows XP

1. Pranx. Pranx is one of the most hilarious prank websites. As soon as you log on to the site, you'll be able to choose from a bunch of different geeky pranks. It's a fun choice for people who are looking to play a simple, yet fun prank. On the top right, you'll see different icons, such as: Interpol database.