Reactime
a time traveling debugger for modern React-based applications

Download the Google Chrome Extension that rewinds time and replays previous versions of stateful React components. Now compatible with Next.js and Remix applications*.

Beta Support for Remix Applications*

Starred on GitHub by over 2,100 users

Core Features

What is Reactime?

Reactime is a developer tool that is compatible with react-based framework applications. It is a full of features that will make life easier as a developer. From time-travel debugging to state snapshot display, check out how using Reactime will improve the developer experience!

Prop Visualization

See how properties flow down the component tree

Accessibility Debugging

Check how a screen reader reads your application per state change

State SnapShot Display

See your application state in an interactive format for clear and concise state management

Time Travel Rendering

Rewind to previous state changes from your DOM history with a simple click of a button

Action Comparison & Snapshot Series

Save a series of state snapshots and make comparisons to analyze changes in component render performance

Components Performance Display

Visualize the latency trends for component render times on each state change

Download State History

Save your state history as a JSON source file for future reference

Atom and Selector Relationships

Visualize the mapping of Atoms and Selectors to components in Recoil Apps

Reactime Demo!

Reactime Overview

Snapshot Time Travel

Import & Export

See your application state in a stylized and interactive format, for clear concise state management

From the Blog

Read articles from previous releases!

React, Props, Visualization

Reactime v25: The Time to React is Now!

React is still on top! React was the most popular JavaScript frontend framework of 2023 and continues to be among the most used frontend frameworks of any language. However, there is always room for innovation...

Logan Nelsen

May 17, 20245 min read

React, Accessibility, Debugging

Relaunching Reactime: updates and a new accessibility feature!

Enter Reactime: an innovative, time travel debugging tool specifically designed for React applications. No longer will you have to try and imagine the relationship between your components or remember what your app...

Eva Ury

February 27, 20246 min read

React, Open Source, Debugging, Optimization

Reactime Renovation: Updates Coming in Version 23.0!

Reactime is a lightweight chrome extension that sheds light on users’ React applications. With features that include a node diagram of React components, render-time analytics, state snapshots and time travel debugging...