keymanager
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Description:
Certificate manager
Type: Cask  |  Latest Version: 4.5.9@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: ssl tls certificates encryption security cryptography
Install: brew install --cask keymanager
About:
KeyManager is a comprehensive GUI tool for managing SSL/TLS certificates and cryptographic keys. It simplifies the complex process of certificate generation, signing, and conversion across various formats. The tool provides an intuitive interface for developers and system administrators to handle their public key infrastructure needs.
Key Features:
  • Visual certificate chain management and inspection
  • Support for multiple formats (PEM, DER, PFX/PKCS#12)
  • Built-in CSR generation and signing capabilities
  • Certificate store management for various platforms
  • ACME protocol support for Let's Encrypt integration
Use Cases:
  • Managing SSL/TLS certificates for web servers and applications
  • Generating certificate signing requests (CSRs) for commercial CAs
  • Converting certificates between different formats for cross-platform deployment
Alternatives:
  • OpenSSL – Command-line tool with steeper learning curve but more scripting flexibility
  • Keychain Access – macOS native solution, limited to Apple ecosystem
  • Cert Manager – Kubernetes-focused, not a desktop GUI application
Version History
Detected Version Rev Change Commit
Aug 5, 2025 2:20pm 4.5.9 0 VERSION_BUMP 98fcf70d