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सभी Certificate Key Matcher CPAC DigiCert S/MIME अपडेट आईपी ​​पता इंस्टालेशन कोड पर हस्ताक्षर डोमेन सत्यापन नवीनीकरण निजी चाबी परिवर्तन प्रकार प्रमाणपत्र प्राधिकारी मल्टी डोमेन वाइल्डकार्ड विन्यास विस्तारित सत्यापन व्यवसाय सत्यापन सामान्य सीएसआर कोड सीएसआर जनरेशन ट्यूटोरियल सीएसआर जेनरेटर सीएसआर डिकोडर
What is the difference between a domain validated certificate and an organization validated certificate?

A domain validated certificate confirms only that the applicant controls the domain. An organization validated certificate adds a check on the registered business behind it, including name, address, and registration details, and takes a business day or two rather than minutes. Encryption is identical; the difference is what the certificate says about who runs the site.

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How do you validate a domain for an SSL certificate?

Three methods are accepted: a DNS record containing a value the CA supplies, a file uploaded to /.well-known/pki-validation/ on your server, or a link emailed to one of five approved addresses at the domain. DNS and HTTP are the durable options. Email-based validation is being retired by the CA/Browser Forum under ballot SC-090 in March 2028.

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Can I convert to a Java Keystore (JKS)?

Not in this tool. Create a PFX here first, then import it with keytool from the Java JDK. Modern Tomcat also reads PKCS#12 directly, so you may not need a JKS at all.

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Does this work for any type of SSL certificate?

Yes. DV, OV, EV, wildcard, and multi-domain certificates share the same X.509 structure, so they all convert the same way. Validation level changes what the certificate authority verifies, not the file format.

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What is the difference between a .cer, .crt, and .pem file?

All three usually hold PEM text, though a .cer can occasionally be DER binary instead. Encoding matters more than the extension, so check the BEGIN/END lines or let the tool detect it.

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Do I need my private key to convert?

Only when you’re creating a PFX or PKCS#12 file. If you’ve lost the password to an existing PFX, its key cannot be recovered, and reissuing the certificate is the only fix.

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Is it safe to convert my private key here?

Yes. Every conversion runs inside your browser, and no file reaches SSL Dragon or any server. For a fully offline route, the OpenSSL command line does the same job on your own machine.

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Can I match a CSR to a certificate as well?

Yes. Fill all three fields and the matcher also compares the CSR with the certificate and with the private key. The CSR field is optional, and you can match a CSR against a private key with no certificate at all.

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How do I know if my private key matches my certificate?

Paste both into the tool and read the certificate-to-private-key verdict. A match means the public-key fingerprints are identical; a single differing character means they are not a pair.

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Does the Certificate Key Matcher upload my private key?

No. Your files are read and compared inside your browser, and nothing is transmitted. You can disconnect from the internet before running a check and it still works.

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