Header-Editor is a free Chrome extension developed by 67726e. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This extension allows users to create and utilize custom HTTP headers in Chrome.

With Header-Editor, users have the ability to modify their HTTP request headers on the fly. This can be useful for various purposes such as testing and debugging web applications, bypassing certain restrictions, or customizing the requests sent out by the browser.

To ensure the smooth functioning of Header-Editor, it requires certain permissions. It needs access to the webRequest in order to monitor and access the requests being sent out. The webRequestBlocking permission is also necessary so that headers can be modified before they are sent. Additionally, the extension requests access to since it cannot predict where it will be needed.

It is worth noting that while response headers are not visible in the Network Inspector, they are provided to the user's code. For more detailed information and resources regarding response headers in Chrome extensions, users can refer to the provided links.

Overall, Header-Editor is a powerful tool for developers and users who need to alter HTTP request headers in Chrome. It provides the flexibility to customize headers according to specific requirements, enhancing the browsing experience and enabling advanced web development tasks.