Reload onchange is a Chrome extension that automatically refreshes a selected browser tab upon detecting changes in specified files or directories. This tool is ideal for scenarios where users need to stay updated with live changes on a webpage, such as backend server modifications. To utilize the extension, users need to install the npm package 'reload-onchange' and enable the extension on the desired Chrome tab.

By running 'reload-onchange /path/to/watch' in conjunction with activating the extension, users can seamlessly ensure that their web content stays up to date with the latest file alterations. For further instructions and options, users can refer to 'reload-onchange --help' for additional guidance.