BrowserStack

Browserstack is a useful online tool which allows users to test their website from different browsers. The list of supported browsers includes Google Chrome, Internet Explorer, Opera and Safari. This even includes different browser versions as well including the beta versions as well. With Browserstack, you can test every aspect of your website like flash, CSS, Java and more. The service offers trial account, 60 mins of free browser testing, but if you are a developer and want to use the service in future, you can sign up for a premium plan which starts at 19$ per month.