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 88 daily active users The latest version is 1.0.0, and it was published 8 months ago.

View source code

Total download count: 0 (Only count downloads from FirefoxStats)

Install Prevent Pwned Passwords from Firefox Browser Add-ons

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 access up to 5 versions. Subscribe to the paid version of FirefoxStats to access more available versions.

Version	Download	Size	Download count	Timestamp
1.0.0	Sign in to download	49.37K	0	2022-08-02

How to install Prevent Pwned Passwords from an XPI file

Simply drag-and-drop the XPI into Firefox to install the add-on.

How to install Prevent Pwned Passwords from a ZIP file

Download the Prevent Pwned Passwords ZIP file
In Firefox browser, go to about:addons to open Add-ons Manager
Click on , then select Install Add-on From File
Select the Prevent Pwned Passwords ZIP file from step 1. Prevent Pwned Passwords is now installed on your browser.