Pesticide

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

Pesticide - CSS Debugging Tool for Chrome

"Pesticide" is a Chrome extension that inserts special CSS into your current page, outlining each element to help identify layout and positioning issues. Originally created by Adam Morse, this version is tailored specifically for students in Dr. Angela Yu's Complete Web Development Bootcamp. Utilize Pesticide to easily debug and visualize the structure of your web designs.

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Extension stats

By: londonappbrewery

Users: 300,000+

Rating: 4.68

(103)

6 new ratings

Version: 2.0.0 (Last updated: 2025-03-10)

Creation date: 2021-11-08

Permissions:

activeTab
scripting

Size: 24.87K

Email: ap*****@gmail.com

Full description: See detailed description

Ranking

# 1,172 ▲ 86

Other rankings

#6485 in Developer Tools ▲ 88 #38 in development keyword 2 ▼ 1 #73 in complete keyword 15 ▲

Other platforms

Not available on Android

Not available on Firefox

Not available on Edge

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.

Pros

Helps understand layouts easily
Great tool for front-end developers
Works well for debugging CSS
Easy to toggle on and off
Very useful for spotting layout and alignment issues

Cons

Has issues with working on local projects
Warning about potential removal from the Chrome Web Store
Hover function not working
Not accessible for Firefox
Some users cannot open the extension

Most mentioned

Works well for debugging CSS
Issues with local development projects
Hope for future updates
Warning about extension support
Easy to use for front-end developers

User reviews

Please Bring this extension back, make it valid to the google guidelines

Nick John, 2025-03-06

Why it is removed. This extension was very useful.

Akshay K Reghu, 2025-03-05

Please update this extension this is the most useful extension; I've ever found for frontend development.

Deepak Sharma, 2025-03-05

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Extension safety

Risk impact

Pesticide does not require any sensitive permissions.

Risk impact analysis details

Low Request access to the following domains:

Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Pesticide. Use it at your own risk.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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