Can PluginView detect PDF.js without logging in?

Yes. PluginView only reads publicly accessible responses when checking for PDF.js. It does not bypass authentication or paywalls.

What category is PDF.js?

PDF.js is classified under Miscellaneous in the PluginView directory.

Does PluginView publish PDF.js fingerprint rules?

No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.

Detect PDF.js

Miscellaneous

PluginView detects PDF.js, a Miscellaneous, by evaluating publicly reachable page signals. Fingerprint rules remain proprietary and are not published.

Websites using PDF.js

No websites in the corpus for this technology yet.

What a detection means

Establishes: One or more public signals on the scanned page matched a known PDF.js signature at the time of the scan.
Does not establish: A sitewide install of PDF.js, an active vendor contract, exclusive use, or that PDF.js is still in place today.

How to check a site for PDF.js

1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest PDF.js signals.
2. PluginView reads only public responses and scores them against proprietary PDF.js fingerprints. Rule bodies and identifiers are not published.
3. Review the confidence score and text explanation for PDF.js on the results page.

FAQ: detecting PDF.js

Can PluginView detect PDF.js without logging in?: Yes. PluginView only reads publicly accessible responses when checking for PDF.js. It does not bypass authentication or paywalls.
What category is PDF.js?: PDF.js is classified under Miscellaneous in the PluginView directory.
Does PluginView publish PDF.js fingerprint rules?: No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.