Prevent Pwned Passwords

Prevent Pwned Passwords

Checks password hashes against Have I Been Pwned and displays a notification if the hash has been leaked in a breach.

Prevent Pwned Passwords is available to install from Firefox Browser Add-ons and for download from this page. It has 74 active users The latest version is 1.0.1resigned1, and it was published 2 months ago.

Install from Firefox Browser Add-ons
View source code
Total download count: 0 (Only count downloads from Firefox-Stats)
All available versions

You can find the current and older versions of Prevent Pwned Passwords here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

Upgrade to download older versions
2 version available for download.
How to install Prevent Pwned Passwords from an XPI file
  1. Simply drag-and-drop the XPI into Firefox to install the add-on.
How to install Prevent Pwned Passwords from a ZIP file
  1. In Firefox browser, go to about:addons to open Add-ons Manager
  2. Click on , then select Install Add-on From File
  3. Select the Prevent Pwned Passwords ZIP file from step 1. Prevent Pwned Passwords is now installed on your browser.