Skip to content

Website accessibility checker

Review alt text, form labels, language, headings, empty links and buttons, zoom and basic contrast. Does not certify WCAG.

AvailableBrowser and serverInput: URL

How to use: Website accessibility checker

  1. Enter the public URL or paste the page's HTML.
  2. Press “Check”.
  3. Fix the errors in order and download the PDF report.

What it accepts and what you get

Input
A public http(s) URL or pasted HTML (up to 2 MB).
Output
Findings (error, warning, passed, not checked, inconclusive) with the related WCAG criterion and how to fix them.
Where your data is processed
The address you enter is sent to the TodoToolsOnline server, which downloads the public page to analyse it; no results are stored. Pasted HTML is analysed in your browser.

Limitations and notes

  • Automated tests only find some problems; this does not certify WCAG or any standard.
  • HTML is analysed without running JavaScript or applying CSS: contrast is only computed for inline colours.

Suggested next steps

Related tools