Toolbar aids manual examination of pages for accessibility features. It consists of a range of functions that: identify components of a web page; facilitate the use of 3rd party online applications; simulate user experiences; provide links to referenc...

Test your website foreground/background colors for their contrast and clarity to color blind visitors.

Test your website with the W3C, WDG, ATRC, WebAIM, WebXact, Bobby, Cynthia Says, HiSoftware, Site Valet, Colorblindness filter, and Google Viewer, simply by typing your site address once.

Online tool to show what your site colors look like to color-blind people.

View your website as someone with color blindness would. Appears to work only in IE. Bookmarklet available.

Converts your page to greyscale to ensure there is sufficient visual contrast between elements.

Allows the user to see the world as color blind people see it. Checks by images and urls.

Checks web page accessibility on compliance with WCAG and Section 508, including automatic color contrast validation of text elements. It shows issues on a web page screenshot, measures response and download times of every element.

Standing for Operational Control and Analysis for Web Accessibility. OCAWA tests the accessibility of your web site using international accessibility standards.

Enables you to test how your page appears at low screen resolutions - e.g. webtv, 640x480, 800x600.