fixHeader is a lightweight Chrome extension designed to modify HTTP request and response headers with ease. This open-source tool, which requires no signup or special permissions, allows users to adjust cookies and other HTTP headers seamlessly. With a compact size of only 27KB, it ensures a minimal impact on browsing performance while providing essential features for developers and privacy-conscious users alike.

The extension includes an auto-suggestion feature for HTTP header keys and values, eliminating the need for manual copy-pasting. Users can quickly access the extension through a keyboard shortcut, enhancing usability. fixHeader is free to use and is designed without tracking or advertisements, making it a straightforward choice for enhancing your browsing experience.