What is getaCert.com Certificate Decoder?

getaCert.com Certificate Decoder is an online tool that decodes a certificate and returns summary information of the certificate.

You can follow these steps to try getaCert.com Certificate Decoder:

1. Go to http://getacert.com/viewacert.html.

2. Enter your certificate, for example:

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

3. Click "View Cert" button Output will be displayed:

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 4556 (0x11cc)
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, ST=Washington, L=Seattle, O=getaCert - www.getacert.com
        Validity
            Not Before: Jul 29 20:11:37 2016 GMT
            Not After : Sep 27 20:11:37 2016 GMT
        Subject: C=US, ST=NY, L=New York, O=Donald Inc., OU=IT, 
            CN=www.donald.inc/emailAddress=john@donald.inc
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
            RSA Public Key: (2048 bit)
                Modulus (2048 bit):
                    00:c1:65:f6:0c:77:a2:0b:85:94:5b:7c:09:aa:64:
                    ...
                    f3:e5
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
            Netscape Cert Type: 
                SSL Client, SSL Server, S/MIME, Object Signing
            X509v3 Key Usage: 
                Key Encipherment
    Signature Algorithm: sha256WithRSAEncryption
        1f:aa:10:67:e3:0e:1f:ce:ea:32:ff:2b:99:80:33:83:ab:29:
        ...
        94:7c:70:55

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