SSH Key Converter

Convert SSH keys between PEM and PPK formats securely in your browser

Secure
Fast
Reliable
What is SSH Key Conversion?

SSH key conversion allows you to use the same key pair across different SSH clients by converting between OpenSSH (PEM) and PuTTY (PPK) formats

🔑 Key Conversion Tools

Convert your SSH keys between different formats for cross-platform compatibility

PEM to PPK Converter
Most Popular

Convert OpenSSH PEM format private keys to PuTTY PPK format for Windows SSH clients. Secure, fast, and reliable conversion.

OpenSSH to PuTTY
Secure Conversion
Instant Download
No Server Upload
PPK to PEM Converter

Convert PuTTY PPK format private keys to OpenSSH PEM format for Linux/Mac SSH clients. Cross-platform compatibility made easy.

PuTTY to OpenSSH
Cross-Platform
Batch Support
Local Processing

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Why Convert SSH Keys?

Different SSH clients use different key formats. Convert between formats to use the same key across platforms.

PuTTY (PPK)
OpenSSH (PEM)

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🔍 About SSH Key Conversion
Supported Formats

Our SSH key converter supports the most common SSH key formats used across different platforms and SSH clients.

  • PEM Format: Used by OpenSSH, Linux, macOS Terminal
  • PPK Format: Used by PuTTY, WinSCP, Pageant
  • RSA Keys: 2048-bit and 4096-bit supported
  • Ed25519 Keys: Modern elliptic curve keys
Security Features

Your private keys are processed entirely in your browser for maximum security. No data is sent to our servers.

  • Client-side processing only
  • No server upload or storage
  • Instant conversion and download
  • Support for password-protected keys