RakkoTools

SSL Certificate Decoder

Display SSL certificate contents

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What this tool can

Decode the SSL certificate and display the contents.

What is an SSL certificate?

An electronic certificate for SSL-encrypted communication that the certificate authority proves that the operating organization actually exists.
Contains keys necessary for encrypted communication, issuer's signature data, etc.

Information contained in the SSL certificate

  • Common name: Domain name (FQDN)
  • Organization name: Official legal name of the organization
  • Department name: Department name of the organization that processes the certificate (Optional)
  • City name: City name where the organization is located
  • State name: State/ region where the organization is located
  • Country code: Country code where the organization is located
  • Expiration date: Start date, end date
  • Certificate issuing authority name: Name of the certificate authority that signed the certificate
  • Serial number: A number that uniquely identifies the certificate
  • Email address: Email address used to contact the organization

When you open the SSL certificate file with a text editor, the following character string is displayed.

-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Useful for

  • Verifying the certificate information installed on the server is correct
  • Finding the necessary certificate when you manage multiple certificates

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