JS Injector
Chrome extension by valkos · Productivity · Developer
- Established publisher
A Chrome extension in Productivity · Developer with 16 users, barely installed. Audience over the last 30 days: +3.
Every site you visit. This extension can read and change the content of any page you open.
What the developer says, and 3 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 16
- Users, last 30 days
- +3
- Version
- 1.0.0
- Updated in the store
- 2026-07-16
- Published
- 2026-07-16
- Manifest
- V3
- Browser access
- 7 permissions, 1 site pattern
How it has moved
- 2026-10-0913
- 2026-10-1014
- 2026-10-1816
- 2026-10-2015
- 2026-10-2117
- 2026-10-2419
- 2026-10-2518
- 2026-10-3020
- 2026-11-0119
- 2026-11-0416
- 2026-11-0615
- 2026-11-0816
- 2026-08-3112
- 2026-09-0214
- 2026-09-0513
- 2026-09-0614
- 2026-09-0714
- 2026-09-0815
- 2026-09-1013
- 2026-09-1314
- 2026-09-1613
- 2026-09-2019
- 2026-09-2117
- 2026-09-2515
- 2026-09-2614
- 2026-09-2811
- 2026-10-0512
- 2026-10-0913
- 2026-10-1014
- 2026-10-1816
- 2026-10-2015
- 2026-10-2117
- 2026-10-2419
- 2026-10-2518
- 2026-10-3020
- 2026-11-0119
- 2026-11-0416
- 2026-11-0615
- 2026-11-0816
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.
What it can reach
Every site you visit. This extension can read and change the content of any page you open.
-
Run its own code on the pages it can access
scripting -
See when you navigate between pages
webNavigation -
Act on the current tab, but only after you click it
activeTab
Show the remaining 4
-
Add items to the right-click menu
contextMenus -
Open a panel beside the page
sidePanel -
Store data in your browser
storage -
Store data in your browser without the usual size limit
unlimitedStorage
What changed recently
Nothing has moved on this listing since we started watching it.
The publisher
valkos publishes 6 listings we track, 173 users between them. Listed website: valkos.by.
-
Network Request Sniffer 80 users
-
Context Menu Search 26 users
-
P2P Zero-Trust Chat 24 users
Show 2 more from this publisher
-
Remove UTM Parameters 18 users
-
Quick Note 9 users
Like this one
Listings the catalog judges closest in what they say they do.
-
InjectJS – JavaScript Injector & Custom Script Manager 964 users
-
Code Injector 238 users
-
CSS / JS Injector 3 users (last published figure)
-
Add Javascript 33 users
-
ScriptAutoRunner3 334 users
The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.
Want this mark on your extension in our catalog?
Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works
Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.
Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-11-08. We publish no contact details for extension developers.