Valtio State
Claim this toolSimplifies proxy-state management for React and Vanilla JavaScript applications.
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Tracked since2026
0 reviews trackedThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Easy to learn and use
Biggest con
Relies on a Proxy object, which may have compatibility issues with older JavaScript environments or specific polyfills.
TL;DR - Valtio State
- Simplifies state management using JavaScript Proxies.
- Enables direct mutation of state objects for updates.
- Automatically triggers UI re-renders in React and Vanilla JS.
Pricing: Free forever
Best for: Individuals & startups
What is Valtio State?
Valtio is a state management library designed to make working with proxy-based state straightforward and efficient. It allows developers to create mutable state objects that automatically trigger re-renders in UI frameworks like React when their properties are modified. This approach simplifies state updates by directly modifying the state object rather than relying on immutable updates or dispatching actions.
The library is particularly beneficial for developers building interactive web applications with React or plain JavaScript who are looking for a less verbose and more intuitive way to manage application state. Its core value lies in reducing boilerplate code and making state logic easier to read and write, especially for complex or deeply nested state structures. By leveraging JavaScript Proxies, Valtio provides a reactive programming model where changes to state are automatically observed and reflected in the UI.
Available on: Web
Pros & Cons
Pros
- Easy to learn and use
- Reduces boilerplate for state updates
- Intuitive direct mutation of state
- Performant due to proxy-based reactivity
Cons
- Relies on a Proxy object, which may have compatibility issues with older JavaScript environments or specific polyfills.
- The `useSnapshot` hook creates a shallow copy of the state, meaning nested object mutations within the snapshot will not trigger re-renders unless the parent object reference changes.
- Debugging can be more complex compared to immutable state management, as direct mutations to the proxy might make it harder to track state changes over time without additional tooling.
Key Features
Proxy-based state creationDirect state mutationAutomatic UI re-rendering (React, Vanilla JS)Snapshot mechanism for consistent rendersMinimal boilerplate code
Pricing
Free
Valtio State is completely free to use with no hidden costs.
Reviews
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Valtio State FAQ
How does Valtio State simplify state management in web applications?
Valtio simplifies state management by allowing developers to create mutable state objects that automatically trigger UI re-renders when their properties are modified. This approach reduces boilerplate code and makes state logic easier to read and write, especially for complex or deeply nested state structures.
What kind of user benefits most from Valtio State?
Developers building interactive web applications with React or plain JavaScript benefit most from Valtio State. It offers a less verbose and more intuitive way to manage application state, making it ideal for those looking to reduce boilerplate and simplify state logic.
How is Valtio State priced?
Valtio State is free to use, requiring no paid plan for its features and functionalities.
Can Valtio State be used for managing deeply nested state structures?
Yes, Valtio State is particularly beneficial for managing complex or deeply nested state structures. Its proxy-based reactivity and direct mutation approach make state logic easier to read and write in such scenarios.
What are the main trade-offs when using Valtio State?
Valtio State relies on the JavaScript Proxy object, which might have compatibility issues with older JavaScript environments. Additionally, debugging can be more complex compared to immutable state management, as direct mutations to the proxy can make tracking state changes harder without extra tooling.
How does Valtio State compare to Jotai for state management?
Valtio State simplifies state updates by allowing direct mutation of proxy-based state objects, which automatically trigger re-renders. In contrast, Jotai focuses on atomic state management, where state is broken down into small, independent pieces.
Source: valtio.pmnd.rs