PerfectPixel by WellDoneCode (pixel perfect)

This extension helps develop your websites with pixel perfect accuracy!

PerfectPixel by WellDoneCode is an essential Chrome extension designed for developers and markup designers to achieve pixel perfect accuracy in web development. It overlays a semi-transparent image on top of your HTML, enabling precise visual comparisons.

Key features include support for multiple layers, layer inversion and scaling, per-site layers, persistent storage, and a minimalistic UI. It offers flexible file upload options such as drag-and-drop, URL pasting, and clipboard support. Users can navigate overlays effortlessly using keyboard arrow keys and mouse wheel. The extension even supports local files with the file:// scheme.

The PRO version enhances your experience with an ad-free interface, layer rotation, appearance customization, and premium support. Whether you want to expand/collapse the main window or adjust precision via keyboard shortcuts, PerfectPixel streamlines pixel perfect web design for better quality and productivity.

By:
https://welldonecode.com
Users:
300,000
Rating:
4.35
(610)
2 new ratings
Version:
2.2.0.6 Last updated: 2025-04-18
Creation date:
2020-03-01
Risk:
Moderate risk impact Very low risk likelihood
Permissions:
  • activeTab
  • scripting
  • storage
  • unlimitedStorage
Host permissions:
  • <all_urls>
Size:
736.00KB
Email:
su*****@welldonecode.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Chrome Web Store
Updated:
a day ago

Other platforms

User reviews

Users find PerfectPixel very useful for designing pixel-perfect web pages and appreciate its ease of use and quick setup. It is considered an essential tool for designers and frontend developers. However, common issues include scaling limitations, performance slowdowns, and problems running on localhost. Several users report the extension becoming non-functional at times, with unresponsive UI. There are also warnings about possible security issues. Users desire improved zoom support and better stability through bug fixes.
Pros
  • Very useful and helps create pixel-perfect web pages.
  • Easy and quick to use for overlaying images for design comparisons.
  • Highly valued by designers and frontend developers as a must-have tool.
  • Snappy and responsive in functionality when working properly.
  • Well-appreciated by non-English speaking users for its utility.
Cons
  • Scaling functionality is limited (cannot go above 10x) and inconsistent across versions.
  • Extension is buggy and causes browser slowdowns or high resource usage.
  • Does not work properly on localhost or local projects.
  • Multiple users report it stops working entirely or UI elements become non-responsive.
  • Potential security concerns with reports of ad injection and script replacement.
Recent reviews
Awesome tool. Very useful
by Pe*****, 2025-06-10

let it go over 10 scaling
by Re*****, 2025-06-09

Перестал работать в браузерах Chorme, Edge, пишет "PerfectPixel cannot be used on this page". В chrome://extensions уже включил все кнопки, но ничего из этого не помогло. А так пользоваться мне было очень удобно. Большая просьба почините своё приложение
by Гл*****, 2025-05-22
View all user reviews ›

Extension safety

Risk impact

PerfectPixel by WellDoneCode (pixel perfect) requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
Risk likelihood

PerfectPixel by WellDoneCode (pixel perfect) has earned a good reputation and can be trusted.

Risk likelihood analysis details
  • Medium This extension was updated in the past 3 months. New updates may not be stable or safe.
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  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* ** ****** ** ********
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Upgrade to see full risk analysis details

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