Edit Request Headers is a free Chrome extension designed to enhance network request management by allowing users to add, modify, or remove HTTP request headers such as Referer and Cookie. The tool utilizes the declarativeNetRequest API, enabling users to create custom rules in an INI-file format for precise control over their web interactions. This feature is particularly useful for developers and advanced users who need to tailor HTTP requests for testing or debugging purposes.

The extension is open-source, ensuring transparency and security as it does not transmit user data to any external servers. This makes Edit Request Headers a reliable choice for those looking to maintain privacy while customizing their browsing experience. As a browser add-on within the tools category, it serves as a valuable utility for anyone seeking to manipulate their web requests effectively.