# CertBadger

> Displays a badge for TLS/SSL certificates expiring soon.

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

## Overview

- **ID:** `certbadger`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Chase Campbell
- **Category:** web-development
- **Daily users:** 1
- **Version:** 0.1.1
- **Last updated:** 2020-02-23
- **First published:** 2020-02-18
- **Size:** 22 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/certbadger/)
- **Website:** [https://github.com/chasecampbell26/cert-badger](https://github.com/chasecampbell26/cert-badger)

## Description

CertBadger is a Firefox add-on that helps website owners and security enthusiasts stay up-to-date on TLS/SSL certificate renewals. It displays a badge for certificates expiring soon and allows customization of alert notifications for each domain.

## Rankings

- #119,728 — Overall
- #94 — badge

## Permissions and access

### Permissions

- `storage`
- `webRequest`
- `webRequestBlocking`
- `https://*/*`

## Safety

- **Risk impact:** Moderate 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

- [Cert Reminder](https://chrome-stats.com/d/cert-reminder)
- [CertiCountdown](https://chrome-stats.com/d/certicountdown)
- [CertiSafeGuard](https://chrome-stats.com/d/certisafeguard) — 20 users
- [Cert Monitor](https://chrome-stats.com/d/cert-monitor)
- [Cert Counter](https://chrome-stats.com/d/cert-counter) — 1 users
- [Certi Watch](https://chrome-stats.com/d/certi-watch)
- [Certificate expiration](https://chrome-stats.com/d/certificate-expiration) — 168 users, 4.67 / 5
- [Secure CertiTracker](https://chrome-stats.com/d/secure-certitracker)
- [SSL Watcher](https://chrome-stats.com/d/ssl-watcher) — 13 users
- [Secure CertiMate](https://chrome-stats.com/d/secure-certimate)
- [CertMonitor](https://chrome-stats.com/d/certmonitor) — 1 users
- [CertWatch Pro](https://chrome-stats.com/d/certwatch-pro) — 1 users

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