a11y DevTools icon

a11y DevTools

by web.dev.elias · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 19 Oct 2026

Advanced accessibility testing powered by axe-core

Users
82
+7 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#91K
#76K among extensions
Version
2.1.0
updated 22 Apr 2026

Users

monthly, 7 months
04182Apr 2026Aug 2026Oct 2026
Latest, 19 Oct 2026: 82 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months
012Apr 2026Aug 2026Oct 2026
Latest, 19 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About a11y DevTools

Overview a11y DevTools is a Chrome extension built to help teams find, understand, and fix accessibility issues faster during everyday development and QA workflows. It combines quick scan results with deeper DevTools inspection so you can move from detection to action without jumping across multiple tools. If you build websites, test UI changes, or review product quality, this extension helps you catch accessibility problems early, prioritize what matters most, and ship more inclusive experiences. Why Install a11y DevTools Accessibility problems are often discovered too late, when fixes are expensive and deadlines are tight. a11y DevTools helps you catch issues earlier by giving you immediate, structured feedback directly in your browser. It is especially useful for: Frontend developers who want fast issue detection while coding QA engineers who need repeatable accessibility checks Product teams that want better usability and compliance readiness Agencies and teams auditing client websites at scale What It Does a11y DevTools scans pages using axe-core and presents results in a practical format designed for quick decision-making. Core capabilities include: Quick page scan from the popup Full DevTools panel for detailed analysis Violations grouped and prioritized by impact (Critical, Serious, Moderate, Minor) Element-level issue details with selectors and failure context On-page element highlighting to locate affected nodes quickly Scope-based scanning using an element picker Preset and custom scan configuration (rules/tags) JSON export for reports, handoff, and tracking Cached/synced results between extension views for smoother workflows How It Helps You Work Faster a11y DevTools is designed to reduce friction in accessibility testing: Run a scan in seconds while reviewing a feature Focus first on highest-impact problems Jump directly to affected elements instead of searching manually Share structured outputs with engineers, QA, or stakeholders Re-scan quickly after fixes to validate progress The result is less guesswork, faster remediation, and better accessibility quality over time. Built for Real Development and QA Flows You can use a11y DevTools in multiple stages of delivery: During development: catch issues before PR review During QA: validate pages, flows, or selected DOM scopes Before release: run broader checks and export findings During audits: gather evidence and prioritize fixes by severity What Makes It Different Instead of only showing raw rule output, a11y DevTools focuses on making results actionable in context: Clear severity-driven summaries Direct mapping from rule to real page element UI that supports both quick checks and deeper investigation Practical controls for narrowing scans to relevant scope Privacy and Data Use a11y DevTools analyzes page content in your browser to run accessibility checks. It does not require account sign-in to work and is intended for local testing workflows. Who Should Use This Extension a11y DevTools is ideal for: Developers building accessible interfaces QA and test automation support teams UX and design teams validating implementation quality Consultants and agencies running accessibility reviews Anyone who wants a faster path to more inclusive web experiences Get Better Accessibility Outcomes Install a11y DevTools to make accessibility testing part of your daily workflow, not a last-minute task. Find issues earlier, fix them faster, and deliver web experiences that work better for everyone. Powered by axe-core

Growth

WindowUsersChangeRatingsRating
7 days+4+5.1%00.00
30 days+7+9.3%00.00
6 months+64+355.6%00.00

Version history

5 versions recorded
2.1.022 Apr 2026
2.0.212 Apr 2026
2.0.19 Apr 2026
2.0.06 Apr 2026
1.0.03 Apr 2026

Details

Category
Tools
First seen
3 Apr 2026
Size
243 KB
Languages
en-US
Pricing
Free
Extension ID
idikmoknbihljafgbjbbngnfogbnbjkb

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
activeTabscriptingstoragetabs
Site access
<all_urls>
Can read and change data on every website you visit.

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