PEM CRT Certificate Parser
Security & Authentication
Decode X.509 PEM and CRT certificates, including validity, issuer and fingerprints.
PEM / CRT certificate parser
Inspect X.509 subject, issuer, validity, algorithms and SHA-256 fingerprint.
Use cases
When to use PEM CRT Certificate Parser
Decode X.509 PEM and CRT certificates, including validity, issuer and fingerprints.
1Prepare pem crt certificate parser output for an API or documentation workflow
2Check a sample before applying it to production
3Use a reproducible result while debugging with a teammate
4Reproduce signature flows used by webhooks, API gateways, and third-party services
5Compare JWT claims, digest algorithms, and secret encoding across systems
6Prepare redacted but reproducible token examples for security review
7Verify Bcrypt, Scrypt, SCRAM, and database password hashes
8Inspect X.509 validity, issuer, algorithms, and fingerprints
9Debug AES-GCM, RSA-OAEP, RSA-PSS, and PKCS#1 signature flows
Guidance
Get reliable results
- 1Use representative but non-sensitive test data
- 2Review the generated result against the target platform
- 3Keep a copy of the source before replacing production data
Platform-specific rules and production policies still require review.