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UDOIT currently checks the following file types:

• PDFs
• Word Processor Documents (e.g., Word, OpenOffice/LibreOffice, etc.)
• PowerPoint
• Images
• Videos
• Spreadsheets (e.g., Excel, Google Docs, etc.) are currently not evaluated, but this functionality may be added in the future.

UDOIT currently checks the following file accessibility issues:

• Heading structure
• Alternative (alt) text for images
• Table accessibility
• Sufficient color contrast
• Link appropriateness
• PDF tags
• Accessible text in PDFs (vs. scanned document image)
• Document language and title
• Potential seizure triggers (such as rapidly flashing content

UDOIT is a Universal Design Online content Inspection Tool. Clicking on the Scan Now icon scans the course content for accessibility issues. 

The tool automatically:

• Scans course content
• Generates a list of accessibility issues
• Provides guidance on how to fix them. 

UDOIT provides the following alternative accessible formats (some types may not be available for all files):

• Optimized PDF: A PDF version that has been remediated and improved to support accessibility requirements, including proper tagging structure, meaningful alternative text for images, appropriate color contrast, and a logical reading order. These enhancements help ensure that documents can be effectively accessed and interpreted by users who rely on assistive technologies.
• HTML: An HTML version for viewing in a browser or on a mobile device. This version may provide a better experience for users leveraging screen-readers.
• ePub: An e-book version that works with e-readers such as Kindle, an iPad, or web-based ePub readers.
• Audio: A single MP3 audio version of the file.
• Text:  A plain text file that can be viewed with popular text file software such as Notepad and Notepad++ for Windows and TextEdit for macOS.