Home : File Types : DER File

.DER File Extension

File TypeDER Certificate File

3.5 (4 Votes)
CategoryWeb Files


This file is saved in a binary format, which requires a specific program to read its contents.

What is a DER file?

Digital certificate file created in the Distinguished Encoding Rules (DER) format; contains a binary representation of the certificate; commonly used for storing X.509 certificates in public cryptography.

More Information

All standard Web browsers recognize digital certificates provided by secure websites.

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Programs that open DER files
Microsoft Internet Explorer
Mozilla Firefox
Apple Safari
Mozilla Firefox
Apple Keychain Access
Mozilla Firefox
Updated 2/21/2011

About the file extension der

Our goal is to help you understand what a file with a *.der suffix is and how to open it.

The DER Certificate file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not been able to verify.

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