certigo ☆
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Description:
Utility to examine and validate certificates in a variety of formats
Type: Formula  |  Latest Version: 1.17.1@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: certificates tls security devops cli
Install: brew install certigo
About:
Certigo is a command-line utility designed to inspect and validate certificates across multiple formats including PEM, DER, PKCS#7, and PKCS#12. It can parse and display detailed certificate information, verify certificate chains, and detect potential issues. The tool is particularly useful for debugging TLS connections and managing certificate files.
Key Features:
  • Supports multiple certificate formats (PEM, DER, PKCS#7, PKCS#12)
  • Validates certificate chains and expiration dates
  • Extracts and displays detailed certificate metadata
  • Can connect to TLS servers to fetch live certificates
  • JSON output option for programmatic use
Use Cases:
  • Debugging TLS handshake failures by inspecting certificate chains
  • Validating certificate files before deployment to production
  • Extracting certificate details from various container formats
Alternatives:
  • openssl – More complex CLI with broader functionality but less focused UX
  • sslscan – Focuses on TLS scanning rather than certificate inspection
License: Apache-2.0
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Oct 10, 2025 3:00am 0 VERSION_BUMP 1d9bb581
Sep 12, 2025 8:19pm 0 VERSION_BUMP f6459028
Nov 22, 2022 12:57am 0 VERSION_BUMP ccdd339d
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