FileExamples
.der

DER Certificate

A sample DER-encoded binary X.509 certificate for testing certificate parsing in Java, .NET, and embedded systems.

.der

DER Certificate

security file · 1 KB

A sample DER-encoded binary X.509 certificate for testing certificate parsing in Java, .NET, and embedded systems.

Format
DER
Size
1 KB
MIME
application/x-x509-ca-cert
Bytes
1,024
Download DER

File Details

File Name
DER Certificate.der
Format
DER
File Size
1 KB
MIME Type
application/x-x509-ca-cert
License
Free for testing

About DER Files

The DER format is commonly used in the security & crypto category. DER files are supported by a wide range of applications and tools. This sample file is a valid, well-formed example with proper headers and metadata, designed for testing file upload/download functionality, validating parsers and converters, QA automation, and learning about the DER file format structure. All files on File Examples are free to download without registration.

Common Use Cases for .der Files

  • Testing file upload and download functionality in web and mobile applications
  • Validating DER parsers, converters, and rendering engines
  • QA and automated testing in CI/CD pipelines
  • Prototyping applications that process security & crypto files
  • Learning about the DER file format structure and metadata