Pick a tool — Choose from 13 SSL tools in the sidebar: Certificate Decoder, CSR Generator, Key Generator, SSL Checker, and more
Provide input — Paste your certificate, CSR, or private key in PEM format, or upload a file; for SSL Checker, enter a domain name
Process your data — Click the action button to decode, generate, validate, or convert your SSL data instantly
Download or copy results — Export generated certificates and keys, copy decoded details, or add entries to the Expiry Tracker
Common Use Cases
How do I decode an SSL certificate to see its details? Paste the PEM-encoded certificate into the Certificate Decoder to view subject, issuer, validity, SANs, and key info
How do I generate a CSR for a new SSL certificate? Use the CSR Generator to fill in your organization details and key type, then download the CSR and private key
How do I check if my certificate and private key match? Use the Certificate-Key Matcher tool to paste both and verify they form a valid pair
