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Self-Signed Certificate

v1.0.0

Generate a self-signed X.509 certificate and private key entirely in your browser.

Browser-based Cert Generator. All operations run locally — no data is sent to a server.

How to use
  • →Enter your input data and configure the operation settings.
  • →Click Run to compute the result.
  • →Use the Copy button to copy the output.
  • →Try a preset from the example picker to see sample input.