imgdiff ☆
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Description:
Pixel-by-pixel image difference tool
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: images diff cli testing graphics
Install: brew install imgdiff
About:
Imgdiff is a command-line utility that performs pixel-by-pixel comparisons between two images. It highlights differences visually and provides a summary of changed pixels, making it ideal for detecting subtle visual regressions. The tool is optimized for speed, handling large images efficiently.
Key Features:
  • Fast pixel-by-pixel comparison
  • Visual diff output highlighting changes
  • Command-line interface for automation
  • Supports standard image formats (PNG, JPEG)
Use Cases:
  • Detecting visual regressions in UI or game assets
  • Verifying image processing pipeline outputs
  • Automated testing of graphical applications
Alternatives:
  • ImageMagick compare – More comprehensive suite but heavier dependency and more complex syntax.
  • Pixelmatch – Node.js library focused on pixel diffing for web applications.
Version History
Detected Version Rev Change Commit
Oct 9, 2025 4:54pm 0 VERSION_BUMP 52f20e40
Sep 12, 2025 12:36pm 0 VERSION_BUMP 4553b24d
Sep 14, 2024 6:21am 0 VERSION_BUMP 6a59021d
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