Testsize
Tool to check how your website appears using various screen resolutions including: 240×320 (mobile), 320×480, 640×480, 1024×600, 1280×800, 1280×800, 1280×800 and 1280×800. Using the + or – keys you can zoom in or out to change the resolution in small increments. The space bar allows you to cycle through the standard screen sizes listed above.
