Certificate Pinner

Pins TLS certificates of configured web pages and interrupts/alerts when a new certificate is presented. Adds a button to the browser's toolbar for pinning and unpinning.

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Certificate Pinner is available to install from Firefox Browser Add-ons and for download from this page. It has 93 active users The latest version is 0.17.10, and it was published 2 years ago.

All available versions

You can find the current and older versions of Certificate Pinner here. You can download the archived versions or inspect their source codes.

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

How to install Certificate Pinner from an XPI file

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

How to install Certificate Pinner from a ZIP file

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