Simple Calculator is a free Chrome add-on developed by Yakup Yılmaz. As the name suggests, it allows users to perform calculations easily on any website.

This handy tool supports both click and keyboard input, making it convenient for users to input their calculations in a way that suits them best. Whether you prefer clicking on the buttons or typing directly from your keyboard, Simple Calculator has got you covered.

One of the standout features of Simple Calculator is its ability to change themes. It offers two themes to choose from - Normal Theme and Dark Theme. To switch between the themes, simply click the '=' button three times.

With its simplicity and ease of use, Simple Calculator is a useful add-on for anyone who frequently needs to perform quick calculations while browsing the web. Whether you're working on a spreadsheet, managing finances, or simply need to do some basic math, Simple Calculator is a handy tool to have at your fingertips.