Library Detector

Detects the Javascript libraries running on a page and displays their icons in the address bar.
What is Library Detector?
'Library Detector' is a Chrome extension that uncovers the JavaScript libraries employed on visited webpages. It showcases these libraries' icons and a direct link to their homepages in the address bar. Useful for understanding the underlying technologies of websites, it supports more than 80 JavaScript libraries, making information easily accessible and, at the same time, providing insights into the intriguing world of website construction and operation.
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Extension stats

Users: 10,000+
Rating: 3.94 (50)
Version: 6.2.0 (Last updated: 2020-08-02)
Creation date: 2019-12-19
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
Permissions:
  • tabs
  • http://*/*
  • https://*/*
Size: 237.57K

Ranking

# 8642 ▼ 83
Other rankings
#2913 in Developer Tools ▼ 2 #5 in library keyword 32 #60 in javascript keyword 44 ▲ 8 #203 in version keyword 10 ▲ 37

Other platforms

LibJS Detector (v1.1.1)
5.00 (2) 121
Not available on Edge
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Extension summary

Analyze keywords

The Library Detector extension discovers which Javascript libraries are being utilized on webpages you visit and displays their icons, along with a link to the library's homepage, in the address bar.

Figure out which cool libraries are powering today's websites. You'll be surprised to learn about some of the more esoteric libraries that are out there. You'll also be horrified by the awful cocktail of libraries that some popular sites utilize!

Supports over 80 Javascript libraries, and growing with every version. Visit the support link and file a request if you think anything is missing. Or, better yet, fork the project on Github!

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Useful for JS library detection, especially concerning JS security issues.
  • Picks up most common libraries.
  • Helpful for quickly identifying JS frameworks.
  • Fun to see what libraries are being used.
  • Great extension for JS developers.
Cons
  • Doesn't work consistently.
  • Does not detect important frameworks like React and Vue.
  • Produces confusing errors when developing locally.
  • Popup does not always show.
  • Not reliable in certain scenarios (e.g., on Facebook and Google).
Most mentioned
  • Does not detect React.js.
  • Does not detect Vue.
  • Works great when it does work.
  • Helpful for seasoned developers.
  • Confusing errors during local development.
Recent reviews
Really useful for JS library detection, specially concerning JS security issues on multiplatform systems
by manu ic, 2024-09-02
useless, in fact produces confusing error when developing locally. Do not install.
by George Dimulski, 2024-06-03
not work . when i click it's behave like dead .
by SM Yousuf, 2024-03-06
View all user reviews

Extension safety

Risk impact

Library Detector requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

Library Detector has earned a fairly good reputation and likely can be trusted.

Upgrade to see risk analysis details

Promo images

Library Detector small promo image
Small promo image

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