Rubric icon

Rubric

by Rickard Andersson · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Inject custom request and response headers.

Users
245
+28 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
9
0 in 30 days
Store rank
#58K
#49K among extensions
Version
1.2.0
updated 24 Mar 2026

Users

monthly, 3 years
0122245Nov 2023May 2025Oct 2026
Latest, 15 Oct 2026: 245 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
0510Nov 2023May 2025Oct 2026
Latest, 15 Oct 2026: 9 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 Rubric

With Rubric, it is possible to inject custom HTTP request and response headers into requests performed by your browser. This is useful during web development, debugging and privacy and security research.

Growth

WindowUsersChangeRatingsRating
7 days+4+1.7%00.00
30 days+28+12.9%00.00
6 months+38+18.4%−10.00
1 year+75+44.1%00.00

Version history

3 versions recorded
1.2.024 Mar 2026
1.1.018 Nov 2023
1.0.015 Nov 2023

Details

Category
Developer Tools
First seen
15 Nov 2023
Size
1008 KB
Languages
en-GB
Pricing
Free
Support
github.com
Extension ID
ajlmfgkdeoeofjledikjcpnphihldlil

Permissions and risk

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

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