Framework DevTools
These add-ons extend the powerful capabilities of the Firefox Developer Tools that are already part of the browser.
- 7
- Add-ons
- Firefox
- Creator
- May 23, 2018
- Last updated

Augury
Extends the Developer Tools, adding tools for debugging and profiling Angular applications.
Rated 3.7 out of 5Rangle.io
1,414 users

JavaScript Errors Notifier
Notifies JavaScript errors by icon in toolbar bar or notification popup GitHub → https://goo.gl/RBcFK8 Test page → https://goo.gl/IEXS2y
Rated 4.9 out of 5Sergey Barbushin
330 users

Feature Queries Manager
Manage and toggle CSS on a page behind a @supports Feature Query.
Rated 4.2 out of 5ireaderinokun
2,153 users

devtools-highlighter
Find and highlight elements on the page with this DevTools panel, using CSS styles and selectors.
Rated 4.8 out of 5Patrick Brosset
102 users

49,954 users

69,435 users

React Developer Tools
React Developer Tools is a tool that allows you to inspect a React tree, including the component hierarchy, props, state, and more. To get started, just open the Firefox devtools and switch to the "⚛️ Components" or "⚛️ Profiler" tab.
Rated 4.6 out of 5React
191,267 users