CSR Decoder
Verify and decode PEM-encoded Certificate Signing Requests (CSR) to check Common Name, Organization details, and public key parameters.
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CSR Structure Reference
1. Distinguished Name (DN)
Includes attributes such as Common Name (CN), Organization (O), Organizational Unit (OU), Locality (L), State (ST), and Country (C).
2. Public Key & Signature
Contains the public key generated by your server along with a cryptographic signature proving possession of the corresponding private key.
How to use CSR Decoder
- Enter or paste the values requested in the input fields.
- Choose any options provided, then run an action button if the tool requires one.
- Review the result and copy or adjust it as needed.
CSR Decoder features
- Available tool controls: Decode CSR.
- Input and option fields: Paste PEM CSR Data (-----BEGIN CERTIFICATE REQUEST-----):, CSR Summary:, Parsed Subject & Key Attributes:.
Frequently Asked Questions (FAQ)
No. A Certificate Signing Request contains only your public key and structural metadata. Your private key stays safely on your server.
The Common Name represents the fully qualified domain name (FQDN) you intend to secure with your SSL/TLS certificate (e.g., `www.example.com` or `*.example.com`).
Decoding and parsing execute entirely within your browser memory for maximum performance and absolute data confidentiality.