Ncage is a free Chrome extension developed by jperdior. It falls under the category of Browsers, specifically Add-ons & Tools. This extension is designed to play pranks on your friends or colleagues by replacing all the images on the web pages they are browsing with random images of Nicolas Cage.

With Ncage, you can easily install the extension on your Chrome browser and activate it with just a few clicks. Once activated, Ncage will automatically replace every image on the web pages you visit with a random image of Nicolas Cage. This can lead to hilarious and unexpected surprises for your coworkers.

One notable feature of Ncage is that it now works with https pages, ensuring that you can troll your coworkers regardless of the security settings of the websites they visit. Although the extension hasn't received any updates in the past 5 years, it continues to function smoothly and effectively.

Overall, Ncage is a fun and lighthearted extension that allows you to add a touch of humor to your browsing experience. Just be prepared for some laughter and confusion from your coworkers as they encounter unexpected images of Nicolas Cage.