Check SSL Certificate - Remaining Validity & Expiry
Check in seconds when your domain's SSL certificate expires - with a traffic light and warning. Server-side, read-only.
💡 What's this for?
This tool checks your domain's SSL certificate and shows you in seconds when it expires, with a clear traffic-light warning. That way you renew in time and avoid the scary security warning that scares visitors away when a certificate runs out.
🐤 Want Canary to keep an eye on this for you?
This tool checks once. Canary checks your whole website every day and alerts you instantly when something breaks technically and costs you Google traffic. Start a free health check →