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CSR Decoder

Instantly Decode Any Certificate Signing Request (CSR)

A Certificate Signing Request of CSR is one of the most important documents when it comes to getting an SSL certificate issued. When you generate a CSR, you are expected to supply accurate, verifiable information. The Certificate Authority will check against the information during the validation process and the information contained in the CSR is what populates the SSL certificate that gets issued.

Unfortunately, sometimes it's easy to get CSRs mixed up. The most common occurrence is with large enterprise-level operations that are managing dozens or even hundreds of certificates, and also when you're using an old CSR to renew your SSL certificate. Send the wrong CSR and you're going to lose time. Fortunately, we can help.

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Check the Contents of your CSR

The Certificate Signing Request (CSR) Decoder tool decrypts the information contained in your CSR so that you can verify that it is accurate and up to date. It's possible you may be renewing and a detail in your CSR is no longer relevant, or has changed. In this case it's important that you generate a new CSR with accurate information before sending it to your CA.

Your Certificate Signing Request should start with:


and end with:


Note: There should be five dashes on either side of both prompts.

Friendly Tip: If you're planning on using an old CSR to renew your SSL certificate, make sure that you double-check on the information contained in it. Incorrect information leads to lost time and wasted man hours.

As per usual, if you have any questions or concerns, feel free to reach out to one of our friendly SSL experts by phone or live chat. We offer English-language support 24/7/365.