Ziri developer tools

Small tools for difficult developer problems.

Focused browser utilities for the format, authentication, and interoperability work that interrupts real engineering days. No account, no upload workflow, and no server-side processing of sensitive input.

Runs in your browser Static by design Open-source ready

Available now

Developer utilities

Each utility keeps a deliberately narrow scope and explains its local-processing boundary.

AvailableLocal-only crypto

Universal SSH Key Converter

Generate RSA key pairs and convert unencrypted private keys between modern OpenSSH and legacy PKCS#1 PEM formats.

  • RSA 2048 / 4096
  • OpenSSH ↔ PKCS#1 PEM
  • Fingerprint-preserving conversion
Open tool