What is Cer File Extension Format SSL?

1 min


A .cer file is a digital certificate file used to store certificate data. It is typically used to store SSL certificates, which are used to establish secure connections between computers over the internet. A .cer file is encoded using the Base64 encoding scheme and usually contains the certificate data in ASCII format.

The .cer file format is also sometimes used to store other types of digital certificates, such as code signing certificates or email signing certificates. These certificates are used to verify the identity of a person or organization and to ensure the integrity of the code or email being signed.

To open a .cer file, you will need a program that is capable of reading and interpreting digital certificate files. Some examples of programs that can open .cer files include Internet Explorer, Microsoft Edge, and Google Chrome. You can also use a text editor to view the contents of a .cer file, although the file may not be easy to read in this format.

See Also

Convert .Crt Certificates

Convert .crt to .Cer

Convert .crt to .jks

Convert .crt to .pem

Convert .crt to .der

Convert .crt to .p7b

Convert .crt to p12

Convert .Cer Certificates

Convert .cer to crt

Convert .cer to .jks

Convert .cer to .pem

Convert .cer to .der

Convert .cer to .p7b

Convert .cer to .p12

Convert .jks Certificates

Convert .jks to cer

Convert .jks to .pem

Convert .jks to .der

Convert .jks to .p7b

Convert .jks to .p12

Convert .jks to .crt

Convert .pem Certificates

Convert .pem to .crt

Convert .pem to .jks

Convert .pem to .cer

Convert .pem to .der

Convert .pem to .p7b

Convert .pem to .p12

Convert .der Certificates

Convert .der to .pem

Convert .der to .crt

Convert .der to .jks

Convert .der to .cer

Convert .der to .p7b

Convert .der to .p12

Convert .p7b Certificates

Convert .p7b to .der

Convert .p7b to .pem

Convert .p7b to .jks

Convert .p7b to .cer

Convert .p7b to .crt

Convert .p7b to .p12

Convert .p12 Certificates

Convert .p12 to .crt

Convert .p12 to .p7b

Convert .p12 to .der

Convert .p12 to .pem

Convert .p12 to .jks

Convert .p12 to .cer


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