CSR Generator — Client-Side

Generate Certificate Signing Request & Private Key — entirely in your browser, nothing leaves your machine.

⚡ 100% Client-Side · No Data Sent

Certificate Details

CSR/Key Type

Encryption Algorithm

Key Length

2048 is secure and widely compatible.

Signature Algorithm

SHA256 is recommended.

Common Name (CN)

For wildcard SSL: *.domain.com. For S/MIME: your email address.

Subject Alternative Names (SAN) (0)

Organization (O)

Organizational Unit (OU)

City / Locality (L)

State / Province (ST)

Country (C)

Email Address

🔐 CSR Generator