Shows you the GET and POST parameters of the current website in the sidebar. You can alter their values, add new parameters, switch get/post and more. For more info and how to use UrlParams, have a look at http://urlparams.blogwart.com FF7-9 version available at the homepage.
![UrlParams – Get this Extension for 🦊 Firefox (ja)](https://cdn-ak-scissors.b.st-hatena.com/image/square/1247045a6d84a60b57f34bf94ad3208af3b304d7/height=288;version=1;width=512/https%3A%2F%2Faddons.cdn.mozilla.net%2Fuser-media%2Fpreviews%2Ffull%2F2%2F2446.png%3Fmodified%3D1530207946)