Carbon AI Extension icon

Carbon AI Extension

by Hiili · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 19 Oct 2026

Extension to measure CO2 emissions from online LLMs

Users
63
+7 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#100K
#84K among extensions
Version
1.4.0
updated 18 May 2026

Users

monthly, 12 months
43463Nov 2025May 2026Oct 2026
Latest, 19 Oct 2026: 63 usersMove the mouse over the chart for any month

Ratings count

monthly, 12 months
001Nov 2025May 2026Oct 2026
Latest, 19 Oct 2026: 0 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 Carbon AI Extension

This web extension analyzes your AI Chats to determine how much energy and emissions your chats consume.

Growth

WindowUsersChangeRatingsRating
7 days+3+5.0%00.00
30 days+7+12.5%00.00
6 months+18+40.0%00.00

Version history

7 versions recorded
1.4.018 May 2026
1.3.215 Dec 2025
1.3.14 Dec 2025
1.3.01 Dec 2025
1.2.210 Nov 2025
1.2.15 Nov 2025
1.2.04 Nov 2025

Details

Category
Tools
First seen
4 Nov 2025
Size
2.1 MB
Languages
en-US
Pricing
Free
Privacy policy
hiili.org
Extension ID
clffbmdchmecickkojbefnjklbhdmmcp

Permissions and risk

Low riskimpact 1, likelihood 2
Permissions
storageunlimitedStorage

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