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PerfectPixel by WellDoneCode (pixel perfect) icon

PerfectPixel by WellDoneCode (pixel perfect)

by WELLDONECODE LLC

Developer tools pixel-perfect web-development design overlay comparison markup precision developer-tool
PerfectPixel by WellDoneCode (pixel perfect) icon

PerfectPixel by WellDoneCode (pixel perfect)

by WELLDONECODE LLC

Developer tools pixel-perfect web-development design overlay comparison markup precision developer-tool
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Quick Look

PerfectPixel assists developers and designers in achieving pixel-perfect web development by overlaying reference images with adjustable transparency.

AI Overview

Who is this for?

Web developers and markup designers who need to ensure their websites match design mockups with perfect pixel accuracy.

Key Features

  • → Overlay semi-transparent reference images
  • → Multiple layers with inversion, scaling, and rotation
  • → Per-site and persistent layer management
  • → Flexible file upload (drag-and-drop, URL, clipboard)
  • → Enhanced navigation with keyboard and mouse controls

Reviews Analysis

Overall Sentiment

Mostly Positive

Users find PerfectPixel to be a highly useful tool for ensuring pixel-perfect designs, praising its accuracy and features, though some mention minor usability quirks.

Note: AI analysis focuses on the substance and recency of reviews, which may differ from the overall store rating.


What Users Love

  • ✓ Excellent for achieving pixel-perfect accuracy.
  • ✓ Supports multiple layers and flexible uploads.
  • ✓ Helpful for web development and design tasks.

Points to Consider

  • × The free version displays ads within the extension panel.
  • × Some users might find the Pro features worth the upgrade for advanced functionality.

Official Description

From the Developer


This extension helps develop your websites with pixel perfect accuracy!

PerfectPixel is an essential tool for developers and markup designers, allowing for precise, pixel-perfect comparisons by overlaying a semi-transparent image on top of developed HTML.

Features: * Multiple Layers Support: Easily manage and compare multiple overlays. * Layer Inversion and Scaling: Adjust layers to match your needs. * Per-Site Layers: Keep separate layers for each website. * Persistent Layers: Your layers are saved between browsing sessions. * Minimalistic UI: Simple and intuitive interface. * Flexible File Upload: Drag-and-drop, URL pasting, and clipboard support. * Enhanced Navigation: Use keyboard arrow keys and mouse wheel for precision. * Local File Support: Works seamlessly with local files using the file:// scheme.

PerfectPixel PRO Features: * Ad-Free Experience: Enjoy a clean interface without ads. * Layer Rotation: Rotate layers for more accurate comparisons. * Appearance Customization: Tailor the look of the extension to your preference. * Premium Support: Get fast and dedicated support.

Tips: * Expand/Collapse: Double-click the header to expand or collapse the main window. * Precision Adjustment: Use Shift + arrow keys for 10px position changes.

For detailed updates, visit the Changelog: http://www.welldonecode.com/perfectpixel/changesets/ Learn more about keyboard shortcuts on our Shortcuts Page: http://www.welldonecode.com/perfectpixel/shortcuts/

Note: This extension is ad-supported. Ads are displayed only within the extension panel and do not affect your browsing experience.

Your extension? Let us know if we can update or correct anything!

Key Info

  • Rating:
    4.3/5.0

    (613 ratings)

  • Users:300,000
  • Version:2.2.0.8
  • Updated:Aug 12, 2025
  • Developer:Visit Website →

Stats from Chrome Web Store


Add to Chrome / Chromium

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