ExpireCount Plus
Removed from the store crawl · May 25, 2026, 2:33 PM. Metrics and description are kept from the last indexed snapshot.
Viva88
ExpireCount Plus, a Firefox extension, promptly reveals the days left until a website's certificate expires. It displays the count atop a padlock icon, turning red if there are less than 29 days remaining. An unlocked red padlock indicates an unencry
