| Step | Action | |------|--------| | | Generate a key & CSR locally ( openssl genpkey … / openssl req … ). | | 2 | Choose a free web tool (Open‑PKCS12 Web is safest). | | 3 | Upload key , certificate (or CSR → self‑signed), and logo.jpg . | | 4 | Set a strong PFX password and click Export . | | 5 | Download yourfile.pfx – ready for Windows, Azure, or any PKCS#12 consumer. | | 6 | Verify with openssl pkcs12 -info -in yourfile.pfx . |
That’s it—no server ever sees your private key, and you have a ready‑to‑use .pfx that contains the JPEG logo. jpg to pfx converter online free upd new