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Home / Free Tools / SSL Checker
Free Website Tool

Free SSL Checker

Make sure your SSL certificate is valid, trusted and not about to expire, before visitors see a security warning.

Try it with

Free, no sign-up. We fetch the public page you enter from our server to run the checks. Results are kept for a few minutes and not shared.

How It Works

How to Use the SSL Checker

  1. Enter your domain name, for example yourbusiness.pk.
  2. Click Analyse to connect securely to your server and read its certificate.
  3. Check that it is trusted, covers your domain and has plenty of days left.
  4. If anything fails, renew or reinstall the certificate from your hosting control panel.

Why It Matters

An SSL certificate lets browsers connect to your site over HTTPS and shows the padlock. If it expires, is installed for the wrong domain or is missing part of its chain, browsers show a full-page "Your connection is not private" warning and most visitors leave immediately.

Free Let's Encrypt certificates, used by most hosting companies, last 90 days and renew automatically. Renewal can fail silently, for example after a DNS change, so it is worth checking now and then. This checker connects to your server exactly as a browser does and reports what it finds.

Related guides

FAQ

SSL Checker: Questions

What does "not trusted" mean?
The certificate was not issued by an authority browsers trust, it is self-signed, it has expired, or the server is not sending the intermediate certificates. Reinstalling the certificate usually fixes it.
My certificate covers www but not the main domain. Is that a problem?
Yes. Visitors who type the address without www will see a warning. Issue the certificate for both yourdomain.com and www.yourdomain.com.
How do I renew an SSL certificate?
On most hosting, including Hostinger and cPanel, free certificates renew automatically. If yours expired, reissue it from the SSL section of your control panel.
What is a good TLS version?
TLS 1.2 and TLS 1.3 are current and secure. TLS 1.0 and 1.1 are outdated and blocked by modern browsers.
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