Dev tools · alternatives · 2026

24 alternatives to SSL Certificate Checker

Check SSL certificates across public endpoints

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   SSL Checker Tool▲84

   Free way to identify SSL configuration issues

   2019 · magenticians.com · its alternatives →

2. 2
   Free Certificate Monitoring via RSS▲120

   2024 · raphting.dev · its alternatives →

3. 3SD
   SSL Decoder – An open-source alternative for the SSL Labs server test▲160

   2015 · tls.so · its alternatives →

4. 4CS
   CertStream – See SSL certs as they're issued in real time▲142

   2017 · certstream.calidog.io · its alternatives →

5. 5
   SSLreminder▲78

   Keep the business running, get reminded to extend your SSL

   2021 · sslreminder.pro · its alternatives →

6. 6
   Monitorly▲76

   Get real-time alerts for your SSL expiry

   2022 · its alternatives →

7. 7
   Certificate Transparency Log Monitor▲53

   2016 · sslmate.com · its alternatives →

8. 8SS
   Simple SSL Scanner▲31

   Expedited Security provides straightforward security services for Heroku, AWS and Google Cloud

   2014 · expeditedssl.com · its alternatives →

9. 9
   Kit.domains▲198

   Hello Hacker News community, We are excited to announce the launch of KIT.DOMAINS, our new tool designed to simplify the management and monitoring of domains. KIT DOMAINS is a convenient and reliable solution for tracking the status of your domains and SSL certificates. With KIT DOMAINS, you will receive timely notifications about expirations and emerging issues, ensuring your sites remain operational and secure. Key features: - Expiration Tracking: Monitor the expiration dates of your domains to prevent accidental lapses. - SSL Certificate Monitoring: Keep your SSL certificates up-to-date…

   2024 · kit.domains · its alternatives →

10. 10
    StatusPing▲78

    Monitor everything about your website

    2021 · its alternatives →

11. 11
    SimpleOps▲297

    Keep your websites up and never lose customers

    2020 · simpleops.io · its alternatives →

12. 12
    IsItWorking.info▲7

    Monitor SSL Certificates. Be warned before they expire!

    2019 · isitworking.info · its alternatives →

13. 13
    SSL certificate dashboard▲45

    Dashboard for ssl certificates. Contribute to FalkoJoseph/certificate-dashboard development by creating an account on GitHub.

    2016 · github.com · its alternatives →

14. 14AD
    Automatic Discovery for Let's Encrypt Certificate Monitoring▲11

    2017 · keychest.net · its alternatives →

15. 15
    SSL Checker▲4

    Check SSL certifications and monitor expiration dates.

    2018 · apps.apple.com · its alternatives →

16. 16
    Never have an SSL certificate expire again▲40

    Automated SSL certificate monitoring with expiration alerts, Certificate Transparency discovery, and Slack/Discord/Teams notifications. Prevent downtime with continuous monitoring.

    2022 · haveibeenexpired.com · its alternatives →

17. 17
    Nodeify▲72

    Website SSL certificate monitoring

    2020 · its alternatives →

18. 18
    Observe Domains▲78

    Monitor domain settings, SSL certificates, expiration dates

    2022 · observe.domains · its alternatives →

19. 19
    SSL Alerts▲157

    Free service to send SSL certificate expiration alerts

    2018 · alerts.httpscop.com · its alternatives →

20. 20
    CertRadar – Find every certificate ever issued for your domain▲21

    Free tools for SSL/TLS certificate transparency search, configuration analysis, and security monitoring.

    Jan 2026 · certradar.net · its alternatives →

21. 21
    CertPost▲3

    SL monitoring that checks the certificate your server serves

    Aug 2026 · certpost.ai · its alternatives →

22. 22
    SSL Montior▲77

    Free SSL monitoring app for macOS

    2023 · its alternatives →

23. 23SI
    Snitch.io – SSL auditing and alerting▲37

    2014 · snitch.io · its alternatives →

24. 24
    ApiChecker▲104

    Reliable uptime and performance monitoring for your services

    2019 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →