Developer Tools

OpenSSL Command Generator — Certificate CLI Builder

Generate common OpenSSL commands for self-signed certs, CSRs, certificate inspection, and PFX operations in your browser. Useful when you need standard syntax without memorizing long flags.

OpenSSLSSLCertificates

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Quick actions

Copy this tool URL or open the system share sheet on a supported device.

Use cases

  • Issue self-signed certs for internal services
  • Generate CSRs for a certificate authority
  • Extract or inspect materials from PFX files

How to use

  1. Select the certificate task to perform
  2. Fill domain, validity days, and other required fields
  3. Copy the generated OpenSSL command

Example input and output

Task

Self-signed / CN=localhost / 365 days

Command direction

openssl req -x509 -newkey rsa:2048 ...

FAQ

Does this issue certificates in the browser?

No. It only generates commands for your local OpenSSL. Keys and certificates are created on your machine.

Which tasks are supported?

Common generate, inspect, and convert flows are included. See the task list on the page for the current set.

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