CSR Generator & Parser

About this tool

With this tool you can create Certificate Signing Requests (CSR) or parse and analyze existing CSRs. The tool shows you information about the requester as well as information about the public key and possibly information about the signature.

If you want to generate a new CSR, provide the Private Key (or generate one) and fill out the form with the data below. After clicking "Create CSR", the CSR will be displayed in PEM format.

If you want to parse an existing CSR, copy it into the text field above and click "Parse CSR". The Private Key is not required to parse a CSR.

Processing is performed in the browser, no data is transmitted to the server.

CSR

For submission to a CA, can be deleted after certificate issuanceThe CSR in PEM format

RSA Private Key

Keep secure, required for using the certificate issued by the CA.Only required if CSR is generated

Create CSR

Common Name (CN) *

Required: Domain name or hostname

Organization (O)

Name of the company/organization or person

Organizational Unit (OU)

Organizational unit (e.g. department)

Locality (L)

City or location

State/Province (ST)

State/Province

Country (C)

Two-letter code (e.g. DE for Germany)

Email Address

Email address of the requester

Raw Format

The CSR is displayed here in raw format after it has been parsed or generated.