SSL Certificate Validation
Decode SSL certificate details, verify the certificate chain, and check expiration dates to prevent outages.
When to Use This Workflow
Validate SSL/TLS certificates before deployment to catch expiration issues, chain problems, and configuration errors.
Workflow Steps
Base64 Encoder
Decode PEM-encoded certificate from Base64 to inspect raw certificate data
JSON Formatter
Format and validate parsed certificate metadata (subject, issuer, SANs) as JSON
Timestamp Converter
Convert certificate notBefore/notAfter dates to verify validity period
Download Workflow Template
Frequently Asked Questions
How often should I check SSL certificate expiration?
At minimum monthly, but ideally set up automated monitoring. Let's Encrypt certificates expire every 90 days. This workflow helps with manual spot-checks during deployment.
What does 'certificate chain incomplete' mean?
It means the server isn't sending intermediate certificates. Browsers may still work (they cache intermediates), but API clients will fail. Always include the full chain: leaf + intermediate(s).
How do I check SSL certificates from the command line?
Use: openssl s_client -connect domain.com:443 -servername domain.com | openssl x509 -text. This workflow provides a visual alternative for quick validation.