WorkbenchA useful little toolbox.

PEM → PFX converter

Package your RSA certificate and private key into an encrypted PFX.

Processed on your device. No file upload.
Choose a file to get started

Drop it here, or use the file picker.

How to use this tool

  1. Choose your file or try the example.
  2. Run the tool and check the result.
  3. Save the result where a download is available.

Supported features & limits

Select a PEM certificate and matching unencrypted RSA private key together. A non-empty export password is required. Everything stays in your browser. ECDSA and encrypted input keys are not supported. Maximum 10 MB.

What happens to my files?

Your browser reads the file locally. File contents are not sent to our server. Closing or resetting this page clears the working result. Downloaded copies remain on your device.

Maintained by Roman Zmazhenko. Updated 1 November 2026.