Format reference

CRT Format Hub

CRT (.crt) files represent certificate containers used by trust stores. Use sample CRT files to validate import logic, metadata parsing, and certificate-chain processing.

6 Files
259 Downloads (30d)
application/x-x509-ca-cert
Related Formats in Certificate

CRT Related Formats

Format Strategy Links

CRT Format Guides

Open CRT FAQ
Implementation Notes

CRT Implementation Notes

Use the manifest endpoint for deterministic fixture selection in CI, then validate MIME/type detection against actual parser output.

If this format appears in multiple categories, prefer category-specific hub pages to keep test assumptions aligned with real usage.