Reactime

A time travel debugger for modern react apps

A Chrome Extension that lets you rewind time and replay previous versions of your stateful React components.

Starred on GitHub by over 1,700 users

From the Blog

See the blogs from the most recent updates and to the past years!

React Debugging

Traveling through time with Reactime

Reactime v17, we have come a long way from beta. Now introducing full Context API support: thereby allowing developers to better visualize the states and ...

James Nghiem

James Nghiem

6 min read

React

Time-Traveling Through React State

Reactime is a Chrome extension and time-travel debugger for React that allows developers to record, track, and visualize state changes. Reactime leverages React’s core reconciliation...

Lina Shin

Lina Shin

4 min read

React Devtools

What time is it? Reactime!

Reactime is a debugging tool that lets developers take snapshots of an application’s state data as well as time-travel through these snapshots. The snapshots display React...

Robby Tipton

Robby Tipton

9 min read

Core Features

What makes Reactime so great?

Reactime is full of features that make your life easier as a developer. From time-travel debugging to state snapshot display, check out how using Reactime will improve your developer experience.

State SnapShot Display

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

Time Travel Rendering

Simulate any state change from your DOM history, with a simple click of a button

Action Comparison & Snapshot Series

Save a series of state snapshots and use it to analyze changes in component render performance between current and previous series of snapshots.

Components Performance Display

Visualize the relative latency trends introduced by re-rendering each component on state change

Download, Upload, and Persist

Save your state history for future tests. Keep your state changes on app reload

Atom and Selector Relationships

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

Our Contributors

All of the people who make Reactime awesome!