---
title: "Puppeteer Visual Regression Tester"
description: "Automates visual regression testing using Puppeteer page.screenshot() with pixelmatch diffing. Captures full-page screenshots at multiple viewport sizes and generates HTML diff reports with highlighted change regions."
verification: "security_reviewed"
source: "https://github.com/puppeteer/puppeteer"
category:
  - "Browser Automation"
framework:
  - "Cursor"
tool_ecosystem:
  github_repo: "puppeteer/puppeteer"
  github_stars: 94115
---

# Puppeteer Visual Regression Tester

Automates visual regression testing using Puppeteer page.screenshot() with pixelmatch diffing. Captures full-page screenshots at multiple viewport sizes and generates HTML diff reports with highlighted change regions.

## 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/puppeteer-visual-regression-tester/)