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Preview of A11y Web Tools

A11y Web Tools by Wyatt Nilsson

Several tools for identifying and fixing web accessibility errors efficiently.

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Screenshots
A11y Web Tools MenuExample of details that the extension providesAn inaccessible website demonstrating the errors that A11y Web Tools helps catch
About this extension
This extension primarily works to interact with the Canvas LMS to help identify and make fixing accessibility issues easier and faster. It adds the following features which can be toggled on or off:
  1. Image tool to quickly reveal an image's alt text.
  2. Iframe tool to reveal the title, aria-label, and aria-description of iframes.
  3. Heading tool to highlight headings levels 1-6.
  4. Contrast highlights to mark potential color contrast insufficiencies.
  5. Lang highlights to mark text that potentially needs a language attribute.
  6. Table tool to highlight tables that are missing semantic details.
  7. Element counting tools for table, iframe, and paragraph tags.
  8. Automatically switch to the raw HTML editor on Canvas.
  9. Automatically open all dropdowns on Canvas.
  10. Contrast inspection tool for easy detection and copying of color codes.
  11. SLA report downloader from the Teamwork website.
  12. Highlights for the raw HTML editor in Canvas for portions of code that relate to accessibility.
  13. Automatically expand the Canvas editors.
  14. Make counting modules easier on Canvas courses.
  15. Canvas file path tool to easily link to where a file is stored in Canvas.
  16. H5P editor tool which makes adding language attributes faster and easier.

These tools exist to help web accessibility more efficient so that we can make the internet a more accessible place for everyone!
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Permissions and data

Required permissions:

  • Access browser tabs
  • Access browser activity during navigation
  • Access your data for all websites

Optional permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
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Version
1.0.3.2
Size
1.41 MB
Last updated
25 days ago (May 27, 2026)
Related Categories
  • Web Development
License
All Rights Reserved
Version History
  • See all versions
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