# Cert Counter

> Count down to certificate expiration with CertCounter. This efficient Firefox extension tracks the number of days left until website certificates expire, providing you with timely information.

Canonical page: [https://chrome-stats.com/d/cert-counter](https://chrome-stats.com/d/cert-counter)

## Overview

- **ID:** `cert-counter`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** 8kbetviet
- **Category:** other
- **Daily users:** 1
- **Version:** 3.0
- **Last updated:** 2023-09-27
- **First published:** 2023-09-27
- **Size:** 53 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cert-counter/)

## Description

CertCounter is an efficient Firefox extension that helps you count down to certificate expiration. It tracks the number of days left until website certificates expire and displays the count on a padlock icon in the toolbar for easy reference.

When there are less than 29 days remaining, the icon turns red, signaling a need for prompt action. Additionally, if the site connection is not encrypted, it shows an unlocked red padlock, raising security concerns.

## Rankings

- #98,377 — Overall
- #169 — counter

## Permissions and access

### Permissions

- `webRequest`
- `webRequestBlocking`
- `<all_urls>`
- `tabs`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Similar extensions and apps

- [CertiCountdown](https://chrome-stats.com/d/certicountdown)
- [Cert Monitor](https://chrome-stats.com/d/cert-monitor)
- [Cert Reminder](https://chrome-stats.com/d/cert-reminder)
- [CertiDays Tracker](https://chrome-stats.com/d/certidays-tracker)
- [CertiMonitor Pro](https://chrome-stats.com/d/certimonitor-pro)
- [Certificate expiration](https://chrome-stats.com/d/certificate-expiration) — 168 users, 4.67 / 5
- [Cert Timer Pro](https://chrome-stats.com/d/cert-timer-pro)
- [CertiStatus Plus](https://chrome-stats.com/d/certistatus-plus) — 9 users
- [Certi Watch](https://chrome-stats.com/d/certi-watch)
- [CertiWatch Plus](https://chrome-stats.com/d/certiwatch-plus)
- [Secure CertiTracker](https://chrome-stats.com/d/secure-certitracker)
- [CertiSafeGuard](https://chrome-stats.com/d/certisafeguard) — 20 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/cert-counter)