SSL Checker
Paste any site URL to confirm it serves over HTTPS with a valid certificate. The checker reports validity, days until expiry and the HSTS header.
Enter a URL to begin
Results appear here — nothing is stored.
What this check covers
- Uses HTTPS
- Certificate valid
- Days until expiry
- HSTS header
- Page status
- Final URL
How it works
01
Paste the site URL
Enter any homepage or page URL; the checker follows it to the secure address.
02
Read the certificate rows
HTTPS use, validity, remaining days and security headers each get their own row.
03
Renew or enforce HTTPS
Renew expiring certificates and redirect all HTTP traffic to HTTPS.
Common questions
Is the ssl checker free?
Yes. Check any public site with no account and nothing to install.
What does the ssl checker verify?
HTTPS use, certificate validity, days until expiry and the HSTS security header.
How long do ssl certificates last?
Most certificates last about a year; this check shows remaining days so renewal never surprises you.
What is HSTS?
A header that forces browsers to use HTTPS, blocking downgrade attacks on your site.
Does HTTPS affect SEO?
Yes. Search engines prefer secure pages, and browsers warn visitors away from plain HTTP.
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