Certline is free. The hosted tool is the complete product — you enter a hostname and get the certificate report, with no sign-up and no data stored. A self-hosted deployment is planned for the future; it is not available today and its price is not finalised.
Free
$0
The complete product. No limits, no account needed.
✓ Expiry date and days remaining
✓ Issuer and subject details
✓ Subject Alternative Names (SANs) listing
✓ Chain completeness check
✓ TLS version and fingerprint
✓ Unlimited checks
✓ No account or sign-up required
Planned
Self-hosted deployment
$49 one-time license
Run Certline on your own infrastructure. Not available yet — this is a planned offering and cannot be purchased today. The proposed price is shown for planning purposes and has not been finalised.
○ Deploy on your own server
○ Internal network host checking
○ Custom TLS configuration
Demo — no real payment is taken
Subscribe to Free
Demo checkout. No real payment is taken. No data is sent or stored.
✓
Subscribed!
Thank you. Since the plan is free, you already have access. Head to the app to check a certificate.