Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of Secret Scanner

Secret Scanner by Christian Pulvermacher

Scan web pages for API keys or passwords

Available on Firefox for Android™Available on Firefox for Android™
0 (0 reviews)0 (0 reviews)
1 User1 User
Download Firefox and get the extension
Download file

Extension Metadata

About this extension
A browser extension that scans JavaScript files loaded by websites for embedded secrets like private keys or passwords.

Usage

Pages are automatically scanned in the background, and the number of found secrets is shown in the extension icon in the toolbar. Click the extension icon to see details.

Limitations
  • Used bandwidth may increase. Consider only enabling the extension when needed on metered mobile connections.
  • Detected secrets may be false positives.
  • May not catch dynamically constructed or obfuscated secrets.
  • Does not scan scripts only loaded by other scripts.
Rated 0 by 0 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
0
4
0
3
0
2
0
1
0
No reviews yet
Permissions and dataLearn more

Required permissions:

  • Access your data for all websites
More information
Add-on Links
  • Homepage
  • Support site
Version
0.4.2
Size
28.44 KB
Last updated
4 days ago (Oct 18, 2025)
Related Categories
  • Web Development
  • Privacy & Security
License
MIT License
Privacy Policy
Read the privacy policy for this add-on
Version History
  • See all versions
Tags
  • security
Add to collection
Report this add-on
Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version. Android is a trademark of Google LLC.