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ColourBlind Simulation tool for developers

Chrome extension by Muhammad Nisar · Productivity · Developer

A Chrome extension in Productivity · Developer with 74 users, barely installed. Audience over the last 30 days: +16.

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
74
Rating
not rated yet
Users, last 30 days
+16
Version
1.0.0
Updated in the store
2026-10-05
Published
2022-06-23
Manifest
V3
Browser access
3 permissions

How it has moved

Users
+16 since 01.10
54-74 · 18 readings
2026-10-05: released 1.0.0
  1. 2026-10-0554released 1.0.0
  2. 2026-10-0859
  3. 2026-10-0960
  4. 2026-10-1059
  5. 2026-10-1163
  6. 2026-10-1364
  7. 2026-10-1667
  8. 2026-10-1768
  9. 2026-10-1867
  10. 2026-10-1966
  11. 2026-10-2167
  12. 2026-10-2267
  13. 2026-10-2368
  14. 2026-10-2466
  15. 2026-10-2568
  16. 2026-10-2769
  17. 2026-10-2974
  18. 2026-10-3074
Users
+3 since 01.09
54-74 · 32 readings
2026-10-05: released 1.0.0
  1. 2026-09-0171
  2. 2026-09-0369
  3. 2026-09-0465
  4. 2026-09-0663
  5. 2026-09-0765
  6. 2026-09-0866
  7. 2026-09-1063
  8. 2026-09-1364
  9. 2026-09-1565
  10. 2026-09-1663
  11. 2026-09-2262
  12. 2026-09-2560
  13. 2026-09-2661
  14. 2026-09-2858
  15. 2026-10-0554released 1.0.0
  16. 2026-10-0859
  17. 2026-10-0960
  18. 2026-10-1059
  19. 2026-10-1163
  20. 2026-10-1364
  21. 2026-10-1667
  22. 2026-10-1768
  23. 2026-10-1867
  24. 2026-10-1966
  25. 2026-10-2167
  26. 2026-10-2267
  27. 2026-10-2368
  28. 2026-10-2466
  29. 2026-10-2568
  30. 2026-10-2769
  31. 2026-10-2974
  32. 2026-10-3074

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.0.0

What changed recently

  1. Package size changed
  2. Store description rewritten
  3. Released version 1.0.0 (was 0.0.0.1)

The publisher

Muhammad Nisar.

Like this one

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

  1. HueInsight : ColorBlindness Simulator Describes nearly the same job, smaller audience 69 users ★ 4.7
  2. Colorblindness Emulator Describes nearly the same job, smaller audience 284 users ★ 4.0
  3. TheWCAG Color Blindness Simulator Describes nearly the same job, smaller audience 29 users ★ 5.0
  4. Color Perception Simulator Describes nearly the same job, smaller audience 142 users ★ 5.0
  5. Color Blind Mode Describes nearly the same job, smaller audience 892 users ★ 5.0

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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Users and rating on Ext Ops Panel

Markdown

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HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built