NOTE: The new version is available on https://addons.mozilla.org/firefox/addon/fox-splitter/ This splits the content area of the browser window as you like. It will help you in various cases. For example, to compare multiple webpages, to show a calendar always, and so on. There is some ways to split window. * Choose the "Split Browser to" menu in the context menu. * Choose the "Load in Split Brows
![Fox Splitter (formerly Split Browser) – Get this Extension for 🦊 Firefox (en-US)](https://cdn-ak-scissors.b.st-hatena.com/image/square/08e0215b2e762bd649ce012ac0b9c6b76f3259a8/height=288;version=1;width=512/https%3A%2F%2Faddons.cdn.mozilla.net%2Fuser-media%2Fpreviews%2Ffull%2F11%2F11590.png%3Fmodified%3D1530208224)