Free Check CSR & CSR Decoder
Decode Certificate Signing Requests (CSR) online. Verify Common Name, Organization, Country, Key Size, and Modulus Hashes.
vibetool.org
Organization: VibeTool Network Inc.
| Common Name (CN / FQDN): | - |
|---|---|
| Organization (O): | - |
| Organizational Unit (OU): | - |
| Locality / City (L): | - |
| State / Province (ST): | - |
| Country (C): | - |
| Email Address: | - |
Understanding Certificate Signing Requests (CSR)
A Certificate Signing Request (CSR) is a standardized block of encrypted text that you generate on your web server prior to ordering an SSL certificate. It encapsulates the public key of your key pair along with identity information regarding your domain and enterprise organization.
Why Checking Your CSR Before Submission Is Critical
Prevent Common Name Typos
If your Common Name (CN) is misspelled (e.g. exampl.com instead of example.com), the CA will issue a certificate that triggers fatal browser warnings.
Verify Key Length Compliance
Modern CA/Browser Forum baselines require minimum 2048-bit RSA keys. CSRs with legacy 1024-bit keys are instantly rejected by Certificate Authorities.
How to Generate a CSR with OpenSSL (CLI)
Run the following command on your server to generate a 2048-bit private key and CSR simultaneously:
openssl req -new -newkey rsa:2048 -nodes -keyout mydomain.key -out mydomain.csr