Key Matcher — Do Your Certificate and Key Match?
Check whether your certificate, CSR and private key match. Everything runs in your browser; your key is never uploaded.
The Key Matcher checks whether a certificate, CSR and private key belong to the same key pair. Pinpoint the cause of a certificate and key do not match error in seconds. The comparison runs entirely in your browser; your private key never leaves your device.
Frequently Asked Questions
Why does certificate and key do not match happen?
Usually you installed the certificate with a key from a different or older request. Find the matching key, or reissue from a fresh CSR.
Is it safe to paste my private key?
Yes. The comparison runs only in your browser; the key is never sent to any server.
Which files do I need to enter?
At least two: usually certificate and private key. You can also add the CSR to compare all three.