ModHeaderModHeader is a browser extension that enables users to modify HTTP request and response headers effortlessly. Ideal for developers and testers, ModHeader allows you to add, modify, and delete HTTP request and response headers. You can configure it easily to set headers like `User-Agent`, `Cookie`, or any custom headers for debugging APIs, handling cookies, or managing sessions.Additionally, ModHeader includes features like header presets, exporting and importing configurations, and even setting headers based on URL patterns. This makes it a versatile tool for web development, testing, and interacting with web services in a controlled manner.Explore more about ModHeader and download the extension to enhance your browser capabilities at [https://modheader.com](https://modheader.com).