A fast pixel-level image comparison library, originally created to compare screenshots in tests.

Compare images using PHP

Codeless automate testing tool for software and game devs. Simple bot based on pixel match.

A place for free to play PC users that want to save keyboard and mouse from breaking!

Extension that improves the image diff view on GitHub.

HTML5 canvas visual regression tests for Jasmine using pixelmatch

Before/after screenshot diffing — pixel-diff two states of a page into one self-contained HTML review report.

A Ruby gem to create, compress, compare PNGs or JPEGs using Google Puppeteer/Chromium

⚠️for personal use. PDFファイルの視覚的差分検知ツール

Created screenshot of the page and compare with some model picture.

Visual regression testing tool inspired by Percy/Applitools. Compares UI screenshots (before vs after) using Playwright and Pixelmatch, generating visual diffs with Firebase and Cloudinary integration.

Playwright + TypeScript suite: visual regression (pixelmatch/sharp), computed-style checks, SEO/sitemap validation & broken-link detection, with GitHub Actions CI

🎭 Webサイトのスクリーンショットの差分を確認するデモアプリ

Visual regression CLI with smart selector healing and diffing

Engineering guides for reliable automated visual regression testing of web maps — screenshot capture, tile sync, WebGL rendering, dynamic element masking, and CI gating for MapLibre GL, Mapbox GL, Leaflet & OpenLayers.