This is a simple Firefox extension that checks the number of days left until the certificate for the current page expires and displays it to the user.

It then shows the day count on top of a padlock icon in the toolbar. If there are less than 29 days left of the certificate the icon turns red. If the site connection is not encrypted it shows an unlocked red padlock instead.

Install

• License: MIT License
• Weekly downloads: 2
• Average daily users: 125
• Rating: 4.5/5 of 4 ratings
• Created: 2020-03-01 15:56:29
• Last updated: 2023-07-21 07:30:37
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/certificate-expiration/
• API: {d68d2e5b-8d6c-4867-b566-f3034b6164f7}