Sharpen is a free add-on for the Chrome browser developed by Alex Marshall. It falls under the category of Browsers and is specifically classified as an Add-ons & Tools subcategory. The program aims to prevent your brain from going to sleep by challenging it with a simple math equation every time you open a new tab.

With Sharpen, you can keep your brain awake and stimulated throughout the day. The program adds a unique feature to your Chrome browser, providing a mental exercise every time you open a new tab. By presenting a simple math equation, it encourages you to engage your mind and solve the problem before proceeding with your browsing activities.

By incorporating this brain-teasing element into your browsing routine, Sharpen helps you stay mentally active and sharp. Whether you're taking a break from work or simply browsing the web, Sharpen ensures that your brain remains engaged and challenged.

So, if you're looking for a simple yet effective way to keep your brain active, give Sharpen a try. It's a free add-on for Chrome that adds a fun and stimulating twist to your everyday browsing experience.