Reactime -
a time travel debugger for modern React applications

Use the Chrome Extension that rewinds time and replays previous versions of stateful React components.

Starred on GitHub by over 2,000 users

Core Features

What makes Reactime great?

Reactime is 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.

State SnapShot Display

See your application state in a stylized and 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 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 State History

Easily 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

Check out the top features!

Reactime Overview

Snapshot Time Travel

Import & Export

From the Blog

Read articles from previous releases!

React, Open Source, Developer Tools

Cheers to Reactime, Version 21!

Reactime offers a range of features to make debugging React applications less complicated and more intuitive. This tool is a time-traveling debugger that gives developers the unique ability to take snapshots...

Sean Kelly

Sean Kelly

4 min read

React, Debugging, Open Source

Reactime just keeps getting better

Reactime is an open-source tool for debugging and time travel in React applications while in development. It is a Chrome Extension that allows developers to monitor, record, and conceptualize chan...

Nick Huemmer

Nick Huemmer

4 min read

React, Open Source, Debugging

What time is it? It's still Reactime!

Reactime is a powerful open-source developer tool and Chrome extension designed for time travel and debugging in React applications, offering developers the ability to record, track, and visuali...

Minzo Kim

Minzo Kim

4 min read

Our Contributors

The awesome team behind Reactime!