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Find and fix accessibility issues on any page omi-a11y is a free accessibility scanner that checks any webpage for WCAG issues — instantly, without any setup. Open any page, hit Scan, and meet Omi: your friendly guide through every accessibility issue found. Omi explains what's wrong, why it matters, and how to fix it — in plain language, without the technical overwhelm. ── WHAT IT CHECKS ── 25 automated checks across 11 categories, covering WCAG 2.1 Level A and AA: - Image accessibility — missing alt text, empty alt on linked images, suspicious decorative alt - Link accessibility — empty links, misplaced accessible names - Form inputs — inputs, selects, and textareas missing labels - Buttons & widgets — buttons with no accessible name, custom widgets missing tabindex - Headings & structure — missing H1, multiple H1s, skipped heading levels, missing page title - Landmark regions — missing or duplicate main, missing nav landmark - Page language — missing lang attribute on html element - Colour contrast — severe and mild contrast failures, with large text and alpha transparency support - Keyboard navigation — positive tabindex, click-only elements, removed focusable elements, missing keyboard handlers - Toggle & ARIA state — missing aria-expanded on toggles and inferred toggle buttons - Dialog management — dialogs missing aria-modal, labels, or focus management ── SEVERITY LEVELS ── Every issue is classified as an Error, Warning, or Info — so you always know what needs fixing now versus what's worth reviewing. ── ACCESSIBILITY SCORE ── Get a 0–100 compliance score with a letter grade and a full breakdown of every deduction. The scoring uses diminishing returns for repeated issues so large sites aren't unfairly penalised for volume. ── OTHER FEATURES ── - Element highlighting — click any issue to highlight the exact element on the page - Fix suggestions — every issue includes a plain-language explanation and a code example - Focus order visualiser — see exactly how keyboard users Tab through the page - Export report — share results with your team or client in one click - Viewport-aware — skips off-screen elements for accurate, relevant results ── WHO IT'S FOR ── Developers, designers, content editors, students, and anyone who wants the web to work for everyone. No account needed. No data collected. Works on any site. omi-a11y · Accessibility for everyone, explained simply.
May 7, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.