Remove HTML Elements is a Firefox add-on designed for web developers who need to manage webpage content dynamically. This subscription-based tool enables users to remove any HTML5 element from a webpage with a simple mouse click. The activation process requires user action, ensuring that the tool is only engaged when needed. Once activated, users can hover over elements to see them highlighted in red, indicating they are ready for removal.

The functionality of Remove HTML Elements is straightforward: clicking on a highlighted element will hide it from the page by changing its display property to 'none'. This non-destructive method allows for temporary changes without permanently altering the webpage's code. Additionally, the add-on supports an undo feature through the keyboard shortcut (Ctrl + Z), making it easy to revert changes if necessary. This tool is particularly useful for developers looking to streamline their web development process.