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 seamlessly.

PuTTY (PPK)
OpenSSH (PEM)
About SSH Key Conversion

Learn about supported formats and security features of our SSH key converter

Supported Formats

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

PEM Format

OpenSSH, Linux, macOS Terminal

PPK Format

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

All conversion happens locally in your browser

No Server Upload

Your keys never leave your device

Instant Download

Get converted keys immediately

Password Protection

Support for encrypted key files
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PEM to PPK Converter