React Scann Toggle icon

React Scann Toggle

by Alex Halpin · halpindev.com · Developer Tools
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 16 Oct 2026

Toggle React Scann script injection

Users
50
−3 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#109K
#91K among extensions
Version
1.0
updated 6 Dec 2024

Users

monthly, 2 years
104273Jan 2025Dec 2025Oct 2026
Latest, 16 Oct 2026: 50 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
001Jan 2025Dec 2025Oct 2026
Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About React Scann Toggle

The React Scan Chrome extension brings the power of React Scan directly to your browser, allowing you to analyze the performance of any React application with a simple toggle. Identify unnecessary re-renders and optimize your components without modifying any code. Features: One-click activation: Easily toggle React Scan on and off for any website. Visual cues: Instantly see which components are re-rendering and how often. No code changes required: Analyze any React app without touching its codebase. Powered by React Scan: Leverages the trusted React Scan library used by teams at Airbnb and more. Use Cases: Debugging performance issues: Quickly identify components causing slowdowns. Optimizing existing applications: Find and eliminate unnecessary re-renders. Learning about React performance: Visualize how different factors affect rendering behavior. How it works: This extension injects the React Scan library into the active tab when enabled. React Scan then analyzes the React component tree and visually highlights components that re-render, providing insights into potential performance bottlenecks. About React Scan: React Scan is a powerful tool that simplifies React performance analysis. It helps you pinpoint unnecessary re-renders caused by unstable props, like callbacks or object values. By visualizing these issues, React Scan empowers you to optimize your React applications for optimal performance. Official Repo: https://github.com/aidenybai/react-scan

Growth

WindowUsersChangeRatingsRating
7 days−6−10.7%00.00
30 days−3−5.7%00.00
6 months−7−12.3%00.00
1 year−16−24.2%00.00

Version history

1 versions recorded
1.06 Dec 2024

Details

Category
Developer Tools
First seen
6 Dec 2024
Size
34 KB
Languages
en
Pricing
Free
Privacy policy
github.com
Support
github.com
Extension ID
ldljnjgbpemebakllalefimefhonakoo

Permissions and risk

Moderate riskimpact 3, likelihood 1
Permissions
activeTabscriptingtabs
Site access
<all_urls>
Can read and change data on every website you visit.

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