A simple tool that detects and lists JS libraries used by the currently webpage, and lets you copy them to the clipboard.
Users
599
+27 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#40K
#34K among extensions
Version
1.0
updated 2 May 2024
Users
monthly, 2 years
Latest, 15 Oct 2026:599 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 years
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 JS Library Detector
Unlock the power of JavaScript analysis with the JS Library Detector! This Chrome extension is designed for developers, testers, and curious minds who want to instantly identify all the JavaScript libraries a website uses.
Key Features:
Instant Detection: Seamlessly detects JavaScript libraries as you browse, with no input required.
Detailed Insights: Provides a breakdown of each library, including the domain and the specific JS file name.
Easy Navigation: Clickable links for each detected JavaScript file allow you to directly access and review the source code.
Clipboard Functionality: Easily copy the list of libraries with their full paths to your clipboard, making it simple to document or further analyze the libraries in use.
Simple Design Interface: Enjoy a clean, user-friendly interface that integrates beautifully with Chrome’s aesthetic.
Why JS Library Detector?
Whether you’re conducting competitive analysis, ensuring compliance, or simply curious about the technologies behind your favorite sites, JS Library Detector offers a straightforward and efficient solution. Perfect for web developers looking to understand site architectures or for educators and students exploring web technology.
Privacy by Design:
We believe in respecting user privacy. JS Library Detector operates entirely within your browser; it does not track, store, or transmit any data about your browsing activity.
Get started with JS Library Detector today and elevate your web development and analysis tasks!
Growth
Window
Users
Change
Ratings
Rating
7 days
+5
+0.8%
0
0.00
30 days
+27
+4.7%
0
0.00
6 months
+49
+8.9%
0
0.00
1 year
+117
+24.3%
0
0.00
Chrome Web Store search rankings
Where JS Library Detector appears when people search the store, with the 30 day change