pngnq ☆
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Description:
Tool for optimizing PNG images
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: png optimization compression images cli
Install: brew install pngnq
About:
Pngnq is a command-line tool that converts 24-bit PNG images to 8-bit indexed color using a high-quality adaptive color palette. It employs the NeuQuant neural network algorithm to reduce file sizes while preserving visual fidelity. This optimization is crucial for web performance, reducing bandwidth usage and speeding up page loads.
Key Features:
  • NeuQuant algorithm for superior color quantization
  • Supports alpha transparency channels
  • Command-line interface for easy scripting and automation
  • Lossy compression with a focus on visual quality
Use Cases:
  • Optimizing website images to improve load times
  • Reducing file sizes for mobile applications
  • Batch processing large photo libraries for web display
Alternatives:
  • pngquant – pngquant is a more modern and actively maintained fork offering faster performance and higher quality.
  • ImageMagick – A comprehensive image manipulation suite that can also perform quantization, but is a much larger dependency.
Version History
Detected Version Rev Change Commit
Sep 16, 2025 11:38am 1 VERSION_BUMP d588da37
Sep 14, 2024 7:12am 1 VERSION_BUMP 69535097
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