Library Sniffer
Sniff web framework and javascript libraries run on browsing website.
What is Library Sniffer?
Library Sniffer is a unique Chrome extension developed for identifying the JavaScript libraries and frameworks used on the currently viewed webpage. It swiftly detects web pages, frameworks, and even third-party services and server technologies. It's an invaluable tool for programmers, developers, and people interested in web technologies.

Stats
- tabs
- webRequest
- http://*/*
- https://*/*
Chrome-Stats Rank

Summary
LibrarySniffer is a web technology detection tool that detects which JavaScript libraries or frameworks are being used on the web page currently being viewed.
With LibrarySniffer you can detect web pages, frameworks, third-party services, server technologies and more.
User reviews
User reviews summary
Pros
- Helpful for developers
- Does what it says
- Great extension
- Nice plugin
- Very useful extension
Cons
- Cannot detect certain libraries like angular
- Does not work
- Issue in recognizing specific protocols like HTTP/2, QUIC
- Issue in detecting nuxt
- Cannot be used due to violation of Chrome Web Store policy
Most mentioned
- Helpful tool for developers
- Issues with detection of some libraries
- Doesn't work
- Violates Chrome Web Store policy
- Good extension
Safety
Risk impact
Library Sniffer is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install Library Sniffer if you trust the publisher.
Risk likelihood
Library Sniffer has earned a fairly good reputation and likely can be trusted.
Screenshots
Promo images
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