outguess ☆
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Description:
Steganography tool to hide a document in an image
Type: Cask  |  Latest Version: 1.1.6@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Security
Tags: steganography security privacy forensics encryption
Install: brew install --cask outguess
About:
Outguess is a steganography tool that hides secret data within image files, primarily JPEGs, without altering the image's visual appearance. It provides a secure and undetectable method for embedding information, making it valuable for covert communication and data concealment. The tool is widely used in digital forensics, security research, and privacy-focused applications.
Key Features:
  • Hides data within JPEG images without visible distortion
  • Supports strong encryption for embedded information
  • Command-line interface for scripting and automation
  • Resistant to statistical analysis attacks
Use Cases:
  • Covert communication for security researchers and journalists
  • Digital watermarking and copyright protection
  • Hiding sensitive data within seemingly innocuous images
Alternatives:
  • steghide – Supports multiple image formats (JPEG, BMP) and provides stronger encryption options
  • f5-steganography – Uses more advanced algorithms to improve resistance against detection
Version History
Detected Version Rev Change Commit
Sep 15, 2025 12:45pm 1.1.6 0 VERSION_BUMP 2370cba5
Aug 5, 2025 2:22pm 1.1.6 0 VERSION_BUMP 953e7256
Jul 27, 2024 7:52pm 1.1.6 0 VERSION_BUMP 1105ed22
Mar 2, 2023 4:35am 1.1.6 0 VERSION_BUMP 2838d8b8
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