SSL certificate expiry checker
Checks certificates directly via your nginx proxy — no third-party APIs
Proxy base URL:
Save
Paste domains
Upload file
Drop CSV or JSON file here, or click to browse
CSV: one domain per row or a column named
domain
/
url
JSON: array of strings, or objects with a
domain
/
url
key
Check certificates
Load sample
Clear
Warn within
days
Domain
Common name
Expires
Days left
Issuer
Status
Export CSV
Export JSON