Colorblindly icon

Colorblindly

by oftheheadland · Education
FeaturedManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Simulates colorblindness in your web browser.

Users
90K
+10K in 30 days
Rating
3.5 / 5
unchanged in 30 days
Ratings
51
0 in 30 days
Store rank
#2,453
#2,163 among extensions
Version
2.5
updated 24 Apr 2025

Users

monthly, 3 years
045K90KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 90,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
103051Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 51 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 Colorblindly

Colorblindly is an extension that helps developers create websites for the people with colorblindness by allowing them to simulate the experience those users have on websites. There are 8 different settings to experience: -Blue Cone Monochromacy / Achromatomaly -Monochromacy / Achromatopsia -Green-Weak / Deuteranomaly -Green-Blind / Deuteranopia -Red-Weak / Protanomaly -Red-Blind / Protanopia -Blue-Weak / Tritanomaly -Blue-Blind / Tritanopia *Note* This extension will not work on Chrome domains like the store page. Try it out on a different website like Google Image Search Results!

Growth

WindowUsersChangeRatingsRating
7 days−10K−10.0%00.00
30 days+10K+12.5%00.00
6 months+10K+12.5%+2−0.02
1 year+10K+12.5%+2−0.02

Version history

9 versions recorded
2.524 Apr 2025
2.416 Apr 2025
2.315 Apr 2025
2.223 Jan 2024
2.115 Jan 2024
1.92 Nov 2021
1.811 Sep 2020
1.722 Aug 2020

Details

Category
Education
First seen
19 Jan 2020
Size
85 KB
Languages
en
Pricing
Free
Extension ID
floniaahmccleoclneebhhmnjgdfijgg

Permissions and risk

Minimal riskimpact 2, likelihood 0
Permissions
activeTabscripting
Site access
<all_urls>
Can read and change data on every website you visit.

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