BrowserStack is the world’s largest cloud platform for software testing, with 20,000+ real Android and iOS devices that allow developers to comprehensively test their websites and apps for functionality, performance, and visual appeal.




IETester is not available as a web app but there are plenty of alternatives that runs in the browser with similar functionality. The best Online alternative is BrowserStack. It's not free, so if you're looking for a free alternative, you could try TestMu AI or Browserling. If that doesn't suit you, our users have ranked more than 10 alternatives to IETester and 12 are available as a web app so hopefully you can find a suitable replacement. Other interesting Online alternatives to IETester are Sauce Labs, IE NetRenderer, Endtest and Browsera.
BrowserStack is the world’s largest cloud platform for software testing, with 20,000+ real Android and iOS devices that allow developers to comprehensively test their websites and apps for functionality, performance, and visual appeal.




TestMu AI (Formerly LambdaTest) is a full-stack AI platform for automated testing across web, mobile, and enterprise apps with agent-driven analysis, real device and browser support, parallel execution, and CI/CD integration for scalable quality assurance and detailed analytics.




Browserling lets you quickly cross-browser test your websites in all the most popular browsers, such as Internet Explorer, Chrome, Safari, Opera and Firefox. We run the browsers in virtual machines and you get live access to them.

Sauce Labs provides the world’s largest cloud-based platform for the automated testing of web and mobile applications. Its award-winning service eliminates the time and expense of maintaining an in-house testing infrastructure, freeing development teams of any size to innovate...

Free online HTML tool that shows instantly how your website looks like in Microsoft Internet Explorer 8, 7, 6 and 5.5.
Endtest is a cloud platform where you can easily create, manage and run Automated Tests, without writing any code.




Automated website layout testing service. Get a free report of your sites cross-browser problems.

Website Screenshot - Capture Web Page Snapshot - Software Service
Take real-time screenshots. You choose the resolution. Supports for HTML5, CSS3, Flash, Javascript. Well documented API and code examples in your native programming language.

Assistiv Labs enables testing of websites and web applications through a web browser window. It is designed to facilitate testing using assistive technologies such as screen readers (NVDA, Narrator, JAWS) and Windows High Contrast Mode.
Tests are dead. Meticulous AI is here. Cover the 1000s of edge cases of your application - without writing or maintaining a single test.

Browshot is a powerful service to take real-time screenshots in 30+ screen resolutions on 15+ virtual devices, including iPhone, Nook, Android, etc. Browshot provides full support for HTML5, CSS3, Flash, JavaScript, etc. You can request thumbnails of any size and any ratio.


pCloudy is the most powerful cloud based App Testing Platform. It has the most comprehensive set of Mobile Devices & Tools to Improve Quality of your App. pCloudy provides single click access to 500+ Android & IOS devices directly from your browser.
