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Decodificador de Certificados

Decodifica y analiza certificados SSL/TLS. Verifica validez, emisor y detalles.

Drop a certificate file or click to upload

PEM, CRT, CER formats

X.509 Certificates - Detalles técnicos

X.509 certificates are used for SSL/TLS to establish secure connections. They contain the public key, subject/issuer information, validity period, and extensions like Subject Alternative Names (SANs).

Alternativa de línea de comandos

# View certificate with OpenSSL\nopenssl x509 -in cert.pem -text -noout\n\n# Download website certificate\nopenssl s_client -connect example.com:443 -showcerts\n\n# Check certificate dates\nopenssl x509 -in cert.pem -dates -noout

Referencia

Ver especificación oficial