SSL Digital Certificates

Submit your Certificate and decode it's certificate details such as when it will expire. This tool is useful to verify that your certificate is valid or to display the information held within a certificate.

A certificate may be represented in Base64; an example of which is given below:

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

How to view a certificates attributes:

Certificate public key:
openssl x509 -in server.cer -noout -subject -issuer -startdate -enddate
Certificate request:
openssl req -in server.cer -noout -subject

 
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