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SSH Keytool

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Overview

Generate SSH key pairs and derive public keys and inspect SSH certificates.

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.

Details

  • Version
    1.2.0
  • Updated
    May 25, 2026
  • Offered by
    mkontani
  • Size
    812KiB
  • Languages
    English
  • Developer
    Email
    itoama@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

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