ShowDNS · SSH Tools

SSH Tools Hub

Generate, convert, validate, and manage SSH keys and configurations for secure server authentication — everything you need in one place.

Secure

Fast

Comprehensive

New to SSH keys?

Jump straight to the tool you need.

  • Generate an SSH key
  • Convert PEM ↔ PPK
  • Validate a key
  • Build an SSH config
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Key Generation
SSH Key Generator

Generate secure SSH key pairs (RSA, ECDSA, Ed25519) for server authentication, with customizable bit lengths and instant public/private key export.

Multiple algorithms
Secure generation
Export options
Key validation
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Generate & manage

Key Generation & Management
3

Create, inspect, and validate SSH key pairs.

Key Management
SSH Public Key Extractor

Extract public keys from private SSH keys in various formats (PEM, PPK, OpenSSH).

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Key Management
SSH Key Fingerprint

Calculate and analyze SSH key fingerprints with multiple algorithms (MD5, SHA256).

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Key Management
SSH Key Validator

Validate SSH key format, structure, and security, and verify public/private key matching.

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Convert formats

Key Conversion
3

Move keys between OpenSSH, PEM, and PuTTY PPK formats.

Conversion
PEM to PPK Converter

Convert OpenSSH PEM format keys to PuTTY PPK format for Windows SSH clients.

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Conversion
PPK to PEM Converter

Convert PuTTY PPK format keys to OpenSSH PEM format for Linux and Mac SSH clients.

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Conversion
SSH Key Converter Hub

Comprehensive SSH key conversion supporting all major formats and platforms.

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Set up access

Configuration & Setup
3

Build SSH and Git configs and secure tunnels.

Configuration
SSH Config Builder

Visual SSH configuration file builder for multiple hosts with advanced options.

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Configuration
Git SSH Config Generator

Generate SSH configuration for Git repositories and multiple SSH keys.

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Configuration
SSH Tunnel Helper

Generate SSH tunnel commands for secure port forwarding and proxy setup.

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About SSH Tools

This suite covers the full SSH key lifecycle — generating secure pairs, converting between formats, validating structure, and building configs. Built for developers, system administrators, and security teams who manage SSH access across platforms.

Key benefits

Secure SSH key generation with multiple algorithms

Format conversion between PEM, PPK, and OpenSSH

Key validation and fingerprint analysis

Visual SSH configuration file builder

Secure processing with automatic file cleanup

Common use cases

Server authentication setup and key management

Cross-platform key format conversion

Git repository SSH configuration

SSH tunnel and port forwarding setup

Security auditing and key validation