Stable signalNo paid features detectedMedium-risk permissions
Pesticide icon

Pesticide

A CSS debugging tool that inserts outlines onto all elements to help with debugging layout issues

Users200KCurrent public install base
Rating4.0Store average score
Reviews145Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview

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1 assets
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User Growth Over Time

200K200K200K200K200K2026年7月15日2026年7月18日2026年7月21日Latest: 200K
Rating trend

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7-day rating change

Start
4.03
Latest
4.03
7-day rating change
0.00
3.933.984.034.084.132026年7月15日2026年7月18日2026年7月21日Latest: 4.03
2026年7月15日2026年7月21日
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Technical snapshot

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Version2.0.0
ManifestV3
Size24.29KiB
Languages1English
Published
Store updated
Last crawled
English
Overview

Product summary

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This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page.

This is a forked copy of Pesticide created originally by Adam Morse:

https://github.com/mrmrs/pesticide

This copy of Pesticide is created for students on the Complete Web Development Bootcamp by Dr. Angela Yu.

https://www.udemy.com/course/the-complete-web-development-bootcamp/

Reviews

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Store average score4.0Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average3.7Average computed only from synced review bodies below
Reviews with text100Synced review bodies
Total ratings / reviews145Chrome Web Store public rating/review count

Store average score: 4.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.

5
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25
Abdullah Azmat2025年4月5日
1

The different colors shown in div blocks is a mess. Please bring back the older plain version back

Version 2.0.0Language en
9 helpful · 0 not helpful
Spencer Trumbore2025年4月1日
1

The key feature Angela advertises doesn't even work: Holding CTRL doesn't show you an annotation withe DIV dimensions or any other annotations. Nothing is happening on local OR hosted websites. Yes, I activated all the toggles. Something is broken.

Version 2.0.0Language en
7 helpful · 0 not helpful
Preetesh Jain2025年3月20日
1

New update is total trash. Why fix what's not broken. Its completely useless now.

Version 2.0.0Language en
7 helpful · 0 not helpful
Akshansh Vaishnav2025年3月18日
3

Giving three star because of history, absolute disastor update. Invaluable tool before but trash now.

Version 2.0.0Language en
5 helpful · 0 not helpful
Sumit Bera2025年3月18日
5

very helpful

Version 2.0.0Language en
0 helpful · 4 not helpful
Anurag Singh2025年3月17日
1

fix the issue with extension toggle.

Version 2.0.0Language en
3 helpful · 0 not helpful
Keshav Sharma2025年3月16日
2

New version is disaster. Please bring back old one. That was easy to use. Pleaseeee

Version 2.0.0Language en
5 helpful · 0 not helpful
Abishek2025年3月16日
1

worst

Version 2.0.0Language en
3 helpful · 1 not helpful
Mohan Krishna2025年3月14日
1

The new version is totally unsuable. atlesat you could have made a toggle switch between two different types layouts.

Version 2.0.0Language en
4 helpful · 0 not helpful
Travis Moore2025年3月13日
2

Used this plugin a lot but the most recent update was a huge downgrade. It ruined this plugin. The beauty of just having the outlines was its simplicity. Thats what made this plugin great, If I wanted crazy colors Id just use the standard dev tools. I will need to find another alternative now.

Version 2.0.0Language en
2 helpful · 0 not helpful