Convert PX to EM is a browser add-on developed by hasesanches. As the name suggests, this tool allows users to easily convert pixel (PX) values to em (EM) values and vice versa. It is available for the Chrome platform and is completely free to use.

With Convert PX to EM, users can quickly and conveniently convert PX to EM and EM to PX without the need for manual calculations. The add-on features an auto-fill function, eliminating the need to type in values, and auto-calculations are done instantly without the need to press any buttons.

In addition to its functionality, Convert PX to EM also boasts a sleek and modern design, following the materialize design style. This ensures a visually appealing and user-friendly interface for a seamless conversion experience.

Overall, Convert PX to EM is a handy tool for web developers and designers who frequently work with pixel and em units. Its ease of use, automatic calculations, and stylish design make it a valuable addition to any Chrome browser.