Block unwanted JavaScript files from running on websites
Users
286
+15 in 30 days
Rating
1.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#55K
#46K among extensions
Version
2.3.1
updated 9 Sep 2026
Users
monthly, 11 months
Latest, 15 Oct 2026:286 usersMove the mouse over the chart for any month
Ratings count
monthly, 11 months
Latest, 15 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 Blocker Extension
This extension lets you block specific JavaScript files across all websites to keep your browsing environment clean and predictable ⚙️
You can add any script URL you want to block, such as example.com/min.js. The extension stores these entries locally and uses the Declarative Net Request API to prevent matching scripts from loading on any site. This helps you avoid unwanted libraries, trackers, analytics scripts, or any external JavaScript you prefer not to run 🛡️
Your list is fully under your control. You can add or remove URLs, temporarily enable or disable individual rules, or toggle the entire extension on or off at any time. You can also export your rule list or import one with a single click, which makes backup and sharing simple 📦
No data is collected, and all configuration stays on your device.
Free and open source, ideal for users who want more control without relying on predefined blocklists.
Growth
Window
Users
Change
Ratings
Rating
7 days
−12
−4.0%
0
0.00
30 days
+15
+5.5%
0
0.00
6 months
+149
+108.8%
+1
+1.00
Chrome Web Store search rankings
Where JS Blocker Extension appears when people search the store, with the 30 day change