You have to enter the about:config settings then modify the UserAgent string manually. Unlike Chrome, Opera, Edge, and IE, Firefox doesn’t have a user-friendly way to switch the user agent string quickly. Click the Developer drop-down menu, then click Developer tools. Opera’s Developer Tools are based on Chrome, but accessing it is a bit easier. Select the Network conditions tab, then uncheck select automatically.Ĭlick in the Custom list box, then choose the desired browser mode. …then click More Tools > Developer Tools.Īt the bottom of the window, click the vertical elliptical menu, then click Network conditions. If you want to do it from the menu, click the Customize and Control menu located in the top right corner… In Chrome, you can open the Developer tools quickly by pressing Control + Shift + i. When selected, the page you are browsing will be refreshed in real-time, letting you see how it behaves in that particular web browser. Both Edge and Internet Explorer support various modes, including Opera, Safari, Firefox, and Chrome. Select the Emulation tab, then click in the User agent string list box.Ĭhoose an appropriate web browser you would like to test in. Another way is from the More actions menu (…) > F12 Developer Tools. The quickest way is to press F12 on your keyboard. There are several ways you can access the developer tools in Edge. How to Modify Your Web browsers User Agent String in Windows 10, macOS, or Linux

This can also be useful for end-users who might need to access a website not supported by their web browser.

Web developers use this feature in their web browsers to test how their websites will look and work on different platforms without owning that device. A feature of web browsers called the user agent string makes this happen. Certain elements of a web page you would find in a desktop browser are not always a mobile version, whether this is for easier navigation or to ensure the page loads properly on the device.

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