Color Contrast Checker by WebAIM

• https://webaim.org/resources/contrastchecker/

• https://webaim.org/resources/linkcontrastchecker/

Color Blindness Filter by Toptal

• Use this filter to test web pages for color blindness https://www.toptal.com/designers/colorfilter/

Accessible PDFs - Adobe Acrobat Pro and Microsoft Word

How to make your Microsoft Word document accessible by Microsoft:

How to create and verify accessible PDFs by Adobe:

How to create accessible forms inside Adobe:

How to create and repair tables inside Adobe:

How to use the accessibility checker by Adobe:

How to repair or remediate old PDFs by Adobe:

Web Accessibility Testing Tools

• WAVE by WebAim http://wave.webaim.org/

• SortSite by Powermapper https://www.powermapper.com/products/sortsite/checks/accessibility-checks/

Writing Effective ALT Text for Images

• https://webaim.org/techniques/alttext/