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Free SSL certificate expiry checker for many domains

Paste your client domains and see when each certificate expires, soonest first. No sign-up.

Paste up to 50 lines, one per line, like clientsite.com, 2026-12-01

You enter the expiry dates yourself; a browser can't read certificates. Find a date in your browser's certificate viewer, or run openssl s_client -connect clientsite.com:443 | openssl x509 -noout -enddate. Nothing is stored or sent.

    What the checker shows

    For each domain: days left, status and the expiry date you entered. Lines that can't be read are listed by line number; the rest still show.

    Renew the certificate yourself or ask your host. Lapsewatch will only remind you.