LinkedIn silently probes for 2,953 Chrome extensions on every page load.
This repository documents every extension LinkedIn checks for and provides tools to identify them.
The complete list of extensions with names and Chrome Web Store links:
chrome_extensions_with_names_all.csv
| Column | Description |
|---|---|
| Extension ID | 32-character Chrome extension identifier |
| Name | Extension name |
| URL | Link to Chrome Web Store or Extpose |
Fetches extension names from Chrome Web Store with Extpose fallback for removed/unavailable extensions.
# Fetch all extensions node fetch_extension_names.js # Fetch a subset (useful if rate limited) node fetch_extension_names.js --offset 0 --limit 500 node fetch_extension_names.js -o 500 -l 500 # Show help node fetch_extension_names.js --help
Test script that processes the first 3 extensions with verbose output.
- 2,953 total extensions in LinkedIn's fingerprint list
- ~78% found on Chrome Web Store
- ~22% found via Extpose fallback (removed or unavailable on Chrome Web Store)
chrome_extension_ids.txt- Raw list of extension IDs extracted from LinkedIn's fingerprint.jsfingerprint.js- LinkedIn's page script with the extensions (minified)