CertiWarn Plus
Removed from the store crawl · May 25, 2026, 2:33 PM. Metrics and description are kept from the last indexed snapshot.
RED88
CertiWarn Plus, a Firefox extension, swiftly warns about the remaining days until a website's certificate expires. It presents the countdown on a padlock icon, turning red if less than 29 days remain. An unlocked red padlock denotes an unencrypted co
