License Detector icon

License Detector

by brettz9 · Developer Tools
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Detects license of JavaScript running on the page and classifies it (permissive, copyleft, unlabeled, ...). Optional blocking.

Users
3
store count
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
total ratings
Store rank
#321K
#254K among extensions
Version
0.1.4
updated 28 Sep 2026

Users

monthly, 1 months
023Sep 2026Oct 2026Oct 2026
Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 1 months
001Sep 2026Oct 2026Oct 2026
Latest, 15 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 License Detector

Detects license of JavaScript running on the page and classifies it (permissive, copyleft, public domain, unlabeled, etc.). Optional blocking of non-permitted license types (after first load).

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00

Chrome Web Store search rankings

Where License Detector appears when people search the store, with the 30 day change
Search phrasePosition30 days
license#31new

Version history

2 versions recorded
0.1.428 Sep 2026
0.1.318 Sep 2026

Details

Category
Developer Tools
First seen
18 Sep 2026
Size
63 KB
Languages
en
Pricing
Free
Support
github.com
Extension ID
gkaejoleaeaplagkhefkfbnhfckfbdhe

Permissions and risk

Elevated riskimpact 3, likelihood 3
Permissions
storageactiveTabtabsscriptingdeclarativeNetRequestdeclarativeNetRequestFeedbackwebRequest
Site access
http://*/*https://*/*file:///*
Can read and change data on every website you visit.

Alternatives to License Detector

Extensions that rank for the same store searches or share the Developer Tools category, ordered by users