# SSL Certificate Checker

> Easily check a SSL certificate vailidity

Canonical page: [https://chrome-stats.com/d/de.guenthers.certcheck](https://chrome-stats.com/d/de.guenthers.certcheck)

## Overview

- **ID:** `de.guenthers.certcheck`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** SebastianG
- **Category:** TOOLS
- **Downloads:** 22,194
- **Rating:** 3.61 / 5 (101 ratings)
- **Version:** 2.2.0
- **Last updated:** 2025-06-11
- **First published:** 2021-01-19
- **Publisher country:** DE
- **Size:** 19 MB
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=de.guenthers.certcheck)
- **Website:** [https://guenther-app.de](https://guenther-app.de/)
- **Privacy policy:** [https://guenther-app.de/app-datenschutz](https://guenther-app.de/app-datenschutz)

## Description

**SSL Certificate Checker** is a handy Chrome extension designed to help you quickly verify and monitor the validity of SSL certificates for your own servers or others. It ensures only Android-validated certificates are listed in detail, and alerts you with system messages if any invalid certificates are detected.

With this tool, you can easily access essential SSL certificate information including timestamps, DNS and IP addresses, expiration dates, host name verification status, and complete server and chain certificate details. This extension simplifies SSL management and boosts your website's security assurance.

## Rankings

- #417,544 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `de.guenthers.certcheck.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Users appreciate the app's straightforward SSL certificate checking capabilities and its ad-free experience. However, multiple reviews highlight issues with app connectivity when certificates are invalid or local addresses are involved, as well as concerns about unreliable URL processing. Users also express a desire for enhanced features such as advance notifications for certificate expirations.

### Pros

- App effectively checks SSL certificates without intrusive ads.
- Simple and easy to use tool for checking SSL certificates.
- Helpful for checking SSL validity on various domains.

### Cons

- App cannot connect if the certificate is invalid or local address is used.
- Uncertainty or inconsistency in URL handling may affect reliability.
- Lacks advanced features like notification reminders before SSL certificate expiration.

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