Potentially Dangerous File Extension Blocker is a free Chrome extension developed by Aaron Horler. As the name suggests, this extension aims to block potentially dangerous files from being downloaded. It is designed to be deployed by administrative policies or installed by less-tech-savvy users who want an extra layer of protection against harmful files.

This extension works by preventing the download of files with extensions that are known to be potentially dangerous. By blocking these files, it helps to reduce the risk of users unknowingly downloading malware or other harmful content. The extension can be easily installed from the Chrome Web Store and does not require any complicated setup.

Potentially Dangerous File Extension Blocker is a useful tool for anyone concerned about online security. It provides an added layer of protection by preventing the download of files that could potentially harm your computer. With its simple installation process and effective blocking capabilities, this extension is a valuable addition to any Chrome browser.