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SSL tools SSL converter

SSL converter

Convert a certificate between PEM, DER, PFX (PKCS12) and P7B (PKCS7) format — right here, with nothing to install.

Different servers and devices expect the certificate in a different format — Apache/nginx usually PEM, Windows/IIS PFX, Java p7b/keystore. If your certificate was issued in a format the server won't accept, convert it here with no command line needed. Files are only read while the conversion runs and are never stored anywhere.

Current format
New format

Available combinations: PEM→DER, PEM→PFX, PEM→P7B, DER→PEM, PFX→PEM, P7B→PEM, P7B→PFX.

File in the current (selected) format.

Needed to build a PFX file.

Password for the new PFX file (PEM→PFX, P7B→PFX), or to open an existing one (PFX→PEM).

After converting, check the result with the certificate decoder or the certificate/key matcher.