A2 Solutions Visualisation Tool
Allows people to see websites the way people with various visual impairments do. Currently it covers varying degrees of colour blindness, diabetic retinopathy, cataracts, macular d…
AIS - Web Accessibility Toolbar
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…
Color Vision - by Cal Henderson
Test your website foreground/background colors for their contrast and clarity to color blind visitors.
Cynthia Says Portal
Accessibility agent offering validation for WAI standards and Section 508 compliance. Includes information and news from the Internet Society Disability and Special Needs Chapter.
GrayBit Grayscale Contrast Tool
Converts your page to greyscale to ensure there is sufficient visual contrast between elements.
Juicy Studio: Colour Contrast Analyser
Uses the W3C algorithm to check for sufficient contrast between background and foreground colours.
OCAWA Accessibility Validator
Standing for Operational Control and Analysis for Web Accessibility. OCAWA tests the accessibility of your web site using international accessibility standards.
The UB Access Accessibility Review Tool
Free next-generation tool enables asessment of Website's meeting legislation and needs of the disabled.
UITest.com: Site Check
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 addres…
Universal Validator
A free tool to validate a whole site against XHTML, WCAG, CSS, Javascript/DOM, XML, and cross browser compatibility simultaneously.
W3C CSS Validation Service
W3C CSS Validation service enables you to check your CSS code for validity, and warns you if you are using browser specific code.
W3C HTML Validation Service
A free service from W3C that checks HTML and XHTML code against the W3C Web Accessibility Guidelines.
WAVE 3.0 Accessibility Tool
Online tool checks page accessibility, displays page with tags to show good and bad points.
Webthing Accessibility Valet
This tool will examine your site, and based on the accesibility level you choose, will provide you with a source code listing with marks next to each element which requires attenti…