CSR Generator Online Free
Generate OpenSSL command templates for key tasks. Build command snippets to generate Certificate Signing Requests (CSRs), create self-signed keys, inspect existing certificates, and convert formats.
CSR Generator
Generate OpenSSL command helpers and CSR configuration templates for SSL certificate requests.
How to Use This Tool
Select OpenSSL Operation
Choose the target task, such as creating a CSR, generating keys, or converting certificate formats (e.g. PEM to DER).
Input Configuration Parameters
Fill in parameters such as domain name (Common Name), bit size, and organization details.
Inspect Command Output
Review the dynamically updated OpenSSL terminal command template.
Execute Locally
Copy the command and run it directly in your local Linux or macOS terminal.
Generating a New 2048-bit CSR Command
You need to apply for an SSL certificate for api.mycompany.com. Input the domain name and select 'Generate CSR'. Copy the generated command 'openssl req -new -newkey rsa:2048...' and run it in your local terminal to create the CSR and private key files.
Common Use Cases
Security Teams
Standardize OpenSSL configurations and command standards for web servers.
DevOps Engineers
Generate commands for self-signed certificates during staging environment provisioning.
SysAdmins
Convert certificate file formats (PFX, CRT, PEM) for different web server platforms (IIS, Apache, Nginx).
IT Students
Learn OpenSSL syntax structures, key formats, and CSR concepts.