screenshot-diff

Deterministic screenshot diffing for AI coding agents. Extract design tokens, diff implementations vs reference, get CSS fix suggestions.

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

CLI to compare two webpage screenshots and produce a similarity score with a red-overlay diff image

Compare AI-generated UIs against reference screenshots. Local-first visual diffs, offline reports, and agent-friendly feedback.

Lightweight visual regression + WCAG contrast diff tool for MUI components on any site

Visual diff engine for websites. Screenshot two URLs, compute pixel-level differences, get structured change reports.

GitHub Action: screenshot two URLs and post a visual diff as a PR comment. Free visual regression testing.

A YAML-driven UI test orchestrator: a Playwright driver in CI and an adb driver for phones, screenshot assertions that catch what the DOM cannot, a flake policy with quarantine and release, and a self-contained HTML report.