What is User-Agent switching?

First need to know what is user assign thing. UserAssign is your userassign based on what type of drive or operating system you are using. If you are a Windows user and on top of that you are using Chrome browser then Windows Chrome browser is your userassign.

What is User-Agent Switch?

A multi-browser addon called User-Agent Switch enables you to quickly switch your browser's User-Agent (UA). Simply click the desired useragent in the toolbar-popup; the selected useragent is indicated with a green border. The toolbar window also provides the option to edit any useragent (described below).


Multiple useragents are a great asset to have in your browser. If you work as a web developer, you may occasionally need to visit a site using an Android or iOS device to ensure that everything looks good and appropriate there. Additionally, some websites look better on mobile devices than they do when viewed through a desktop browser.

A string that identifies the browser accessing a website is known as a useragent in JavaScript. The server uses this string, which is sent as part of the HTTP request, to decide which version of the website should be served to the user.

The operating system, the name and version of the browser, and any additional features or capabilities that the browser or device may have are frequently included in the useragent string. By serving up a mobile-optimized version of the website on a smartphone or tablet, for example, this information can be used to customise the website to the user's particular needs. The "navigator.userAgent" property in JavaScript allows access to the useragent string. The information about the user's browser or device is all contained in the string that this property returns. For instance, a website might check the useragent string to see if the browser supports HTML5 or CSS3 before utilising those technologies.


1. toolbar appears Accessing all 26 useragents is made simple by UI. Any UA you click will instantly change the user agent of your browser.
2. Mobile useragents such as iOS, Android, Windows Phone, Tizen, Symbian, and Firefox mobile OS are listed in the first row.
3. The second row of desktop useragents includes Microsoft's new Edge browser as well as Google Chrome, Opera, Firefox, Safari, and Safari.
4. Desktop operating systems like Microsoft Windows, Linux, Mac OS, Chrome OS, IBM Warp OS/2, and Free-BSD OS are listed in the third row.
5. The control options, which include a button to reset the UA to its default value, are located in the last row of the popup UI.
6. available across all operating systems for the browsers.
7. Very lite and easy to use Extension.


  1. Once can return & change, but impossible to change again in Yandex browser

  2. the websites are gliched when i use it nad they wownt load


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