CSR generator

A CSR (Certificate Signing Request) is used to request certificates from a CA. Choose server-side generation for PEM output, or copy OpenSSL commands to run locally.

Server (Python) OpenSSL template Protect keys

Reminder: each CSR pairs with one private key. Server generation returns the key only in the response—download and store it immediately.

2 Certificate subject (DN)

This form feeds both server generation and the OpenSSL template. Fill it in, then choose an action.

Common name (CN)

Key type

Country (C, ISO 3166-1 alpha-2)

State/province (ST)

Locality (L)

Organization (O)

Organizational unit (OU)

Email (optional)

RSA size (RSA only)

CSR signature hash

3 Server output (PEM)

CSR (.csr)

Private key (.key, confidential)

4 OpenSSL command template (local)