Pixelmatch Pixel-Level Image Comparison Library by Mapbox

Pixelmatch is the smallest, simplest, and fastest JavaScript pixel-level image comparison library by Mapbox. It features anti-aliased pixel detection and perceptual color difference metrics, making it ideal for visual regression testing in CI/CD pipelines.

Installation

Use the upstream install or setup path that matches your environment:

• npm install pixelmatch

Requirements and caveats from upstream:

• 
• so it's blazing fast and can be used in any environment (Node or browsers).

• Node.js

Basic usage or getting-started notes:

• Example output

• Example usage

• bash

• Source: https://github.com/mapbox/pixelmatch

• Extracted from upstream docs: https://raw.githubusercontent.com/mapbox/pixelmatch/HEAD/README.md

Source

• Agent Skill Exchange