SSH Keytool

Tracking since Apr 3, 2026.

Changelog

• May 26, 2026
  description

  A secure, offline-capable Chrome Extension for generating SSH key pairs and deriving public keys directly in your browser.
  
  **Features**
  - Generate SSH Keys: Supports RSA (2048/4096-bit), ECDSA (nistp256/384/521), and ED25519.
  - Passphrase Protection: Encrypt private keys with a passphrase using robust OpenSSH encryption.
  - Public Key Derivation: Derive the associated public key from an existing private key.
  - SSH Certificate Inspection: Inspect details of SSH certificates (Key ID, Principals, Validity, Extensions, etc.).
  - Offline & Secure: All cryptographic operations happen locally within the extension. No keys are ever sent to any server.
  - Modern UI: Clean, responsive interface with Dark Mode support.

  A secure, offline-capable Chrome Extension for generating SSH key pairs, deriving public keys, inspecting SSH certificates, and converting private keys between OpenSSH, PEM (PKCS#1/PKCS#8), and PuTTY PPK formats — directly in your browser.
  
  **Features**
  - Generate SSH Keys: Supports RSA (2048/4096-bit), ECDSA (nistp256/384/521), and ED25519.
  - Passphrase Protection: Encrypt private keys with a passphrase using robust OpenSSH encryption.
  - Public Key Derivation: Derive the associated public key from an existing private key.
  - SSH Certificate Inspection: Inspect details of SSH certificates (Key ID, Principals, Validity, Extensions, etc.).
  - Key Format Conversion: Convert private keys between OpenSSH, PKCS#1, PKCS#8 (PBES2 with PBKDF2-SHA256 + AES-256-CBC), and PuTTY PPK v2 formats. Add, remove, or change passphrases in one step.
  - Offline & Secure: All cryptographic operations happen locally within the extension. No keys are ever sent to any server.
  - Modern UI: Clean, responsive interface with Dark Mode support.

Permissions & access

Permissions

clipboardWrite

Host access

None declared

Screenshots

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