It reads the live certificate a browser sees: the issuer, the exact expiry date and days left, the full chain, and every name (SAN) the certificate covers.
Free · no account
SSL & certificate check
Paste an address and see the live certificate: who issued it, when it expires, how many days are left, and which names it covers.
We only read the public certificate. Nothing is stored, no account required.
What the check shows
The certificate is read live, exactly as a browser sees it.
Expiry & days left
The exact expiry date and how many days are left before the certificate stops being valid.
Issuer & chain
Who issued the certificate and how many certificates are in the chain.
Covered names
All the domain names (SAN) the certificate is valid for.
More free tools
Test more on your site
Standalone, free tools — no account needed.
Website test
Full outside-in scan: platform, hosting, SSL, domain and tags at once.
WordPress check
Version, theme and common exposures — seen from the outside.
Tracking tag check
Which analytics and ad tags are installed, with their IDs.
Security headers check
HSTS, CSP, X-Frame-Options and more — graded.
SSL checker — questions
Yes. Paste a domain and get the result instantly. Nothing is stored and you never sign up.
A renewal can succeed on the server while the web server keeps serving the old certificate, or a different host or CDN serves it. The checker reads what visitors actually get, so it catches the mismatch.
Ravnsight warns you well before expiry — by default about a month ahead — so there is time to renew. A manual check only tells you how it looks today; monitoring warns you automatically, weeks in advance.
The tool checks one at a time. Create an account and add your sites, and Ravnsight watches every certificate automatically and alerts you well before expiry (about a month ahead by default). Agencies see all client certificates in one view.
Never get caught by an expired certificate
Ravnsight watches your certificates and warns you weeks before they expire.