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Contrast Checker

Chrome extension by aablksv · Productivity · Developer

  • Established publisher

A Chrome extension in Productivity · Developer with 166 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
166
Rating
4.7 (3 ratings)
Users, last 16 days
+83
Rating, last 30 days
Not watched long enough to say
Version
0.10
Updated in the store
2026-08-28
Published
2026-08-10
Manifest
V3
Browser access
5 permissions

How it has moved

Users
+83 since 31.08
83-166 · 9 readings
2026-09-13: gained the good publisher record badge
  1. 2026-08-3183
  2. 2026-09-0286
  3. 2026-09-0591
  4. 2026-09-0696
  5. 2026-09-07105
  6. 2026-09-08119
  7. 2026-09-10131
  8. 2026-09-13165gained the good publisher record badge
  9. 2026-09-15166
Rating
unchanged since 31.08
reviewsrating 4.67 · 9 readings
2026-09-13: gained the good publisher record badge
  1. 2026-08-31reviews3rating4.67
  2. 2026-09-02reviews3rating4.67
  3. 2026-09-05reviews3rating4.67
  4. 2026-09-06reviews3rating4.67
  5. 2026-09-07reviews3rating4.67
  6. 2026-09-08reviews3rating4.67
  7. 2026-09-10reviews3rating4.67
  8. 2026-09-13reviews3rating4.67gained the good publisher record badge
  9. 2026-09-15reviews3rating4.67
Users
+83 since 31.08
83-166 · 9 readings
2026-09-13: gained the good publisher record badge
  1. 2026-08-3183
  2. 2026-09-0286
  3. 2026-09-0591
  4. 2026-09-0696
  5. 2026-09-07105
  6. 2026-09-08119
  7. 2026-09-10131
  8. 2026-09-13165gained the good publisher record badge
  9. 2026-09-15166
Rating
unchanged since 31.08
reviewsrating 4.67 · 9 readings
2026-09-13: gained the good publisher record badge
  1. 2026-08-31reviews3rating4.67
  2. 2026-09-02reviews3rating4.67
  3. 2026-09-05reviews3rating4.67
  4. 2026-09-06reviews3rating4.67
  5. 2026-09-07reviews3rating4.67
  6. 2026-09-08reviews3rating4.67
  7. 2026-09-10reviews3rating4.67
  8. 2026-09-13reviews3rating4.67gained the good publisher record badge
  9. 2026-09-15reviews3rating4.67

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Attach to pages the way developer tools do debugger
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 2
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Store badges changed

The publisher

aablksv.

Like this one

Listings the catalog judges closest in what they say they do.

  1. Site Contrast - Full Page WCAG 2.2 & APCA Contrast Checker Describes nearly the same job, smaller audience 2k users ★ 4.0
  2. Area Contrast Checker - Drag to Scan WCAG & APCA Color Accessibility Describes nearly the same job, smaller audience 136 users ★ 4.7
  3. ColorContrast — WCAG & APCA Contrast Checker Describes nearly the same job, smaller audience 16 users
  4. ContrastGuard: WCAG Contrast Checker & Report Describes nearly the same job, smaller audience 8 users
  5. Color Contrast Checker by Accessibility Tracker Describes nearly the same job, smaller audience 285 users ★ 4.2

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.