CSSViewer is a free Chrome add-on developed by MeD. It is a simple tool that allows users to view CSS properties of any element on a webpage.

To use CSSViewer, simply click on the toolbar icon and then hover over any element you want to inspect on the current page. The add-on will display the CSS properties of that element in a user-friendly format.

CSSViewer was originally created as a Firefox add-on by Nicolas Huon inIt has been ported to Chrome with minor enhancements. The source code for CSSViewer can be found on GitHub, showcasing its open-source nature.

Privacy is a priority for CSSViewer. While the add-on requires permission to access your history and website data in order to function properly, it does not collect or transmit any of your private information.

There are a few known issues with CSSViewer. It may not work in tabs that were opened before installing the add-on, as well as in the Google Chrome store. Additionally, the styling of the add-on may occasionally break depending on the website being viewed. However, patches are welcome to address these issues.

Overall, CSSViewer is a handy tool for developers and designers who want to quickly inspect CSS properties on webpages. Its simplicity and open-source nature make it a valuable addition to any developer's toolkit.