Check SSL Expiration Date
Check exactly when a domain's SSL certificate expires and how many days are left before it needs renewing.
How to read an SSL expiration date
Every certificate has a "valid until" date. Once that date passes, browsers reject the certificate and show a full-page security warning. We show the exact expiry date plus a clear countdown of days remaining so you know how much runway you have.
What happens when an SSL certificate expires
An expired certificate breaks HTTPS: visitors see "Your connection is not private", APIs stop trusting your endpoints, and search rankings can suffer. Most certificates last 90 days or less, so tracking the expiration date is essential.
Frequently asked questions
How many days before expiry should I renew?
Renew at least 7–14 days before expiry to leave time for issuance and installation. SSLRadar can alert you 30, 14, and 3 days out.
Can I get reminded before my SSL expires?
Yes. A free account sends automatic email alerts before each monitored certificate expires.
Monitor your certificates automatically
Create a free account to monitor up to 100 domains and get email alerts before any certificate expires.
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