Image Crop or Pad, Tiny Image Resizer for Visual Testing

How can you standardize image dimensions for visual regression testing when components render at varying sizes?

image resizing playground comparing fail fast crop pad and pad and adjust strategies

A lightweight, dependency-free JavaScript library that crops or pads images to target dimensions, designed for automated visual testing workflows where images need consistent sizing for comparison. image-crop-or-pad.pages.dev ⇛

Role:

  • Creator and Lead Developer
  • Open Source Maintainer
  • Technical Architect

Outcome:

Created a tiny isomorphic image resizing utility that works seamlessly in both Node.js and browser environments without any external dependencies. The library provides flexible anchor positioning and custom padding options, making it simple to standardize screenshots and rendered images for visual regression testing. Published as an open-source npm package with an interactive demo playground that visualizes different resizing strategies.