BrowserSeal is no longer available
There are many other browser compatibility tools that may be of interest.
BrowserSeal is a fast and easy to use cross browser testing and screenshot tool.
It allows you to capture an image of your web site under multiple browsers with a single click of a mouse and instantly inspect the differences.
It supports Internet Explorer (IE6, IE7 and IE8), Firefox (3.0 and 3.5), Google Chrome, Opera (8, 9 and 10) and Safari (3 and 4). Starting from version 2.0 BrowserSeal supports mobile browser testing with Opera Mini 5.1. It is heavily optimized for speed, which is especially evident on large web pages with scrollbars.