JS Library Detector

A simple tool that detects and lists JS libraries used by the currently webpage, and lets you copy them to the clipboard.

As of May 2026, JS Library Detector has 564 users in the Developer Tools category.

Usersup 4.6 percent+4.6%
564
564
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.0
Manifest V3

History

2 snapshots

Tracking since Apr 29, 2026.

568.16552.5536.84Apr 29, 2026May 26, 2026
View as table
DateUsersRatingReviewsVersion
Apr 29, 20265391.0
May 26, 20265661.0
Now5641.0

Permissions & access

Permissions
activeTabscriptingclipboardWrite
Host access
None declared

Screenshots

JS Library Detector screenshot 1

About

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!

Technical

Version
1.0
Manifest
V3
Size
1.43MiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
jhpgglndcbdmomemcmjbnpfljnllflbc
Developer ID
u70ead0f8a62f7053cf92fbaed96e0960
Developer Email
[email protected]
Created
Apr 30, 2024
Last Updated (Store)
May 2, 2024
Last Scraped
May 26, 2026
Website
Support URL

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Data sourced from the Chrome Web Store · last verified May 26, 2026.