As a front-end web developer or designer, it’s your responsibility that the website should be compatible with various web browsers. But, it’s tough to test a website across various browsers on different platforms. Using an online cross browser testing tool, you can easily test a website across various web browsers on different platforms.

These testing tools are not absolutely free, but few tools offer limited browser testing for free. Whether you’re a paid or free user, testing tools give you access to real browsers on real machines, even you access all the settings and features of the browser.

1. BrowserStack

Many big companies are using BrowserStack, including Microsoft and Twitter. The web-based tool lets you test a website in more than 1,000+ real browsers on real devices, with a automated testing option. Test across all older and latest version of desktop, tablet and mobile browsers.

The browsers running on the cloud gives you native experience like a locally installed. You can access all the features of the browser such as developer tools, settings, etc.

BrowserStack is a paid tool, but it does provide a free trial. You will receive 30 minutes of live testing, 100 minutes of automated testing, and 100 screenshots for free. Paid users can test their locally hosted websites too.


2. Browsershots

Browsershots is an absolutely free tool for testing a website for cross-browser compatibility. Unlike other tools, it doesn’t have any live testing feature, only you can request screenshots of your website design. You can submit your website or webpage URL from the home page by selecting different operating systems and browsers (as seen below).



CrossBrowserTesting is an another best web-based tool for testing a website across 1500+ real desktop and mobile browsers. You can test with various methods such as live testing, automated testing, and local testing. The tool can automatically generate screenshots of a website across various browsers, and you can compare them side-by-side.

CrossBrowserTesting is a paid tool, but it does provide free trial of 7-day.

4. Browserling

The good thing about Browserling is it offered a lifetime free plan to all users with limited browser testing. Anyone can immediately test a website across various browsers from the home page, without login and sign up. Quickly switch to older and latest versions of web browsers with just a click.

In the free plan, your session will automatically expire after 3 minutes, and you will need to push the refresh button in order to get more free 3 minutes.


5. Browser Sandbox is a service that runs applications instantly in a web browser, without requiring installation. Browser Sandbox is one of the applications. The  sandbox application can run various web browsers online, so users can test a website compatibility easily across various, old/latest web browsers.

As I can see, it doesn’t support multiple operating systems like other testing tools, but the good thing about Browser Sandbox is, it offer a free unlimited plan to all users.

Browser Sandbox testing

6. Browsera

Unlike other tools, Browsera didn’t support live cross-browser testing. You can only submit a URL of a website or webpage, and the tool will automatically detect and report designing/scripting problems, such as layout differences, JavaScript errors, etc.

After a URL submission, the tool will take a few minutes to test and report. You will get an email when the test report is ready.

Browsera has a free unlimited plan with limited browser testing.


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