X.509 Certificate Tool

The X.509 Certificate Tool by FoxIDs allows you to create self-signed certificates and convert Base64-encoded certificate strings into standard certificate files. X.509 certificates are commonly used for SSL/TLS encryption, digital signatures, and in authentication protocols like OAuth 2.0, OpenID Connect and SAML 2.0.

Create self-signed certificate

Fill in the fields and easily generate a self-signed certificate in a .pfx file. The created certificate is downloaded automatically.

Paste a base64-encoded certificate string and convert it to a .cer file. The certificate is downloaded automatically.