How to use the free SSL certificate checker
Test any public site's SSL cert, chain, expiry, and TLS grade in seconds — no signup required.
Part of SSL certificate monitoring — the full answer, the facts and the alternatives in one place.
Quick answer#
Paste any domain into the free SSL checker at /tools/ssl-checker. You'll get the certificate chain, expiry date, issuer, TLS version, and a security grade in under 5 seconds. No signup.
What it checks#
Where to find it in Lemwatch#
Open /tools/ssl-checker — no account required. Signed-in users can add the result as a monitored site with one click.
How to use it#
https://).FAQ#
Does it work on internal or staging domains?#
No — the tool must be able to reach the domain publicly. Use in-app SSL monitoring for private hosts.
How often can I run it?#
Anonymous checks are rate-limited to prevent abuse. Signed-in users get higher limits.
Related#
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