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SSL Tools

See what your CSR or certificate contains and check whether the certificate matches the CSR. The data you enter is not stored.

Certificate–CSR matcher

Checks whether the certificate was issued from the CSR you have. If they match, the certificate works with that CSR’s private key.

Never paste your private key. This tool accepts only a CSR and a certificate.

The result appears here Paste the text into the field and press the button.

CSR decoder

Paste your CSR; the domain, organization details, key type and signature algorithm are shown.

Certificate decoder

Paste your certificate (.crt / .pem); who it was issued to, its validity dates and the domains it covers are shown.