---
title: "Playwright Visual Regression Tester"
description: "Automates visual regression testing using the Playwright screenshot comparison API and pixelmatch diffing library. Captures baseline snapshots, detects pixel-level UI changes across viewport sizes, and generates HTML diff reports with threshold-based pass/fail results."
verification: "security_reviewed"
source: "https://github.com/microsoft/playwright"
category:
  - "Browser Automation"
framework:
  - "OpenClaw"
tool_ecosystem:
  github_repo: "microsoft/playwright"
  github_stars: 86409
  npm_package: "playwright"
  npm_weekly_downloads: 47883561
---

# Playwright Visual Regression Tester

Automates visual regression testing using the Playwright screenshot comparison API and pixelmatch diffing library. Captures baseline snapshots, detects pixel-level UI changes across viewport sizes, and generates HTML diff reports with threshold-based pass/fail results.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/playwright-visual-regression-tester-3/)