WhoRenderedThis

Name: WhoRenderedThis
Author: Avinash

WhoRenderedThis is a developer tool that bridges the gap between what you see in the browser and the React code that rendered it.

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Features & Capabilities

How it works: Simply hover over any element on a React-powered website, and an overlay instantly shows you the component name, file path, and line number where that element was created. Click to pin the overlay and explore the full component hierarchy — see parent components all the way up the tree, complete with their source locations.

Key features:

Instant component identification — No more guessing which component rendered what
Source location mapping — Jump directly to the source file and line number
Parent chain exploration — Understand the component hierarchy at a glance
Version-aware detection — Works with React 16, 17, 18, and 19+
Lightweight & non-intrusive — Only activates when you need it

Perfect for:

Debugging unfamiliar React codebases
Understanding component boundaries in large applications
Learning how other React apps are structured
Quickly navigating to the right source file Built for developers, by developers. Open source on GitHub.

User Growth & Download Statistics

Add-on

By:

Avinash

Daily users:

Version:

0.2.0 Last updated: 2026-02-14

Version code:

6150463

Creation date:

2026-02-11

Risk:

Permissions:

activeTab
scripting
<all_urls>

Size:

104.66KB

Email:

av*****@gmail.com

URLs:

Website

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-06-03

Compare stats and ranking:

Ranking

# 129,900 ▲ 867

For Developers

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Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.

Developed by:

Avinash

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/whorenderedthis/

Email:

av*****@gmail.com

Website:

https://whorenderedthis.vercel.app/

Is WhoRenderedThis Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

WhoRenderedThis 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

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

WhoRenderedThis may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.

Risk likelihood analysis details

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