Sa11y
The facts below are what the maker publishes about Sa11y, checked and dated. Our editors have not written about it yet.
Plans and prices
From Sa11y's own pricing page, checked 22 Sep 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | Open-source JavaScript accessibility checker · More than 80 accessibility checks · Runs in the browser |
| Free and open source | Free | 100% free · open source |
The facts
Each one read from Sa11y's own pages, with the date it was checked.
What it does
- Audience
- Sa11y is designed for content authors and also provides customizable tools for developers and accessibility experts.checked 12 Oct 2026
- Checks
- Sa11y includes over 80 checks for accessibility quality.checked 12 Oct 2026
- Customization
- Developers can choose areas to check, exclude page sections, customize checks, and add custom checks.checked 12 Oct 2026
- Installation
- The JavaScript plugin can be installed from GitHub or npm and added to a website with its stylesheet, language file, and script.checked 12 Oct 2026
- Integrations
- Sa11y is included in Joomla 4.1 and later as the Joomla Accessibility Checker, also called Jooa11y.checked 12 Oct 2026
- Limitations
- Sa11y cannot check accessibility issues within PDFs or confirm whether video captions are accurate.checked 12 Oct 2026
- Maintainer
- Sa11y is led and maintained by Adam Chaboryk, an IT Accessibility Specialist at Toronto Metropolitan University in Toronto, Canada.checked 12 Oct 2026
- Page features
- The tool can show a page outline, review images and alt text, estimate readability, export results to CSV or HTML, and simulate colour vision deficiencies.checked 12 Oct 2026
- Privacy
- The maker says Sa11y collects no personal data and uses browser web storage for optional rulesets and enabled features.checked 12 Oct 2026
- Purpose
- Sa11y visually highlights accessibility and usability content issues on a page and provides tooltips explaining how to fix them.checked 12 Oct 2026
- Scan scope
- pagechecked 22 Sep 2026
- Security and processing
- The experimental language detection feature performs analysis locally on the user's machine and does not send page content to a cloud server or external third party.checked 12 Oct 2026
- Support
- The maker invites users to contact Adam Chaboryk by email or submit an issue on GitHub to report accessibility barriers or suggestions.checked 12 Oct 2026
- WCAG version
- wcag 2.1checked 22 Sep 2026
Where it runs
- Browser extension
- Nochecked 22 Sep 2026
- Browser use
- Sa11y is available as a bookmarklet for desktop browsers, though security policies can prevent it from working on some websites.checked 12 Oct 2026
The company
- Founded
- 2020checked 28 Sep 2026
- Headquarters
- Toronto, Canadachecked 28 Sep 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
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