JS Injector

by vinisha.kirankumar · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Run custom JavaScript on page load.

Users

0 in 30 days

Rating

1.0 / 5

+1.00 in 30 days

Ratings

+1 in 30 days

Store rank

#116K

#97K among extensions

Version

1.2.6

updated 30 Mar 2026

Users

monthly, 7 months

Latest, 16 Oct 2026: 42 usersMove the mouse over the chart for any month

Ratings count

monthly, 7 months

Latest, 16 Oct 2026: 1 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 JS Injector

JS Injector is a simple tool that allows users to run custom JavaScript on web pages. Features: - Inject custom scripts on page load - Lightweight and fast - Works on selected websites only - No data collection or tracking This extension is intended for developers and advanced users who want to customize website behavior for testing and productivity purposes. Note: This extension does not collect, store, or share any personal data.