Cert Monitor

Monitor website certificate validity with CertMonitor. This practical Firefox extension checks the remaining days until the certificate expiration and presents it to you at a glance.

Add-on stats

Manifest V2
Daily users: -
Version: 3.0 (Last updated: 2023-08-25)
Version code: 5614141
Creation date: 2023-08-25
Firefox on Android: No
Permissions:
  • webRequest
  • webRequestBlocking
  • <all_urls>
  • tabs
Size: 53.94K
Full description: See detailed description

Other platforms

Not available on Chrome
Not available on Android
Not available on Edge

Add-on safety

Risk impact

Cert Monitor requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
  • Critical ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
  • Low ******* ****** ** *** ********* ********
Risk likelihood

Cert Monitor has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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