Quickly check what headers is your browser sending to websites. It is important because a website may respond differently depending on headers sent from your browser with the request.
Browser Headers checker tool tells you what HTTP request headers your browser is sending to the website. It is important to see because the headers sent from your browser can modify the response of a website you are opening, and it can cause you a trouble if you are sending wrong headers and the websites in response are sending an unexpected response. The wrong headers are normally caused by malicious extensions you install into your browser and/or browser plugins, so it is vital to verify the headers you are sending to the websites.