Software Alternatives, Accelerators & Startups

CodeSandbox VS Preact.js

Compare CodeSandbox VS Preact.js and see what are their differences

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CodeSandbox logo CodeSandbox

Online playground for React

Preact.js logo Preact.js

Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.
  • CodeSandbox Landing page
    Landing page //
    2023-07-27
  • Preact.js Landing page
    Landing page //
    2023-05-11

CodeSandbox

$ Details
Release Date
2017 January
Startup details
Country
The Netherlands
City
Amsterdam
Founder(s)
Bas Buursma
Employees
1 - 9

CodeSandbox features and specs

  • Ease of Use
    CodeSandbox offers an intuitive interface that allows developers to quickly start coding without the need for complex setup or configuration.
  • Instant Collaboration
    The platform supports real-time collaboration, enabling multiple developers to work on the same project simultaneously.
  • Pre-configured Environments
    It provides a variety of pre-configured templates for popular frameworks like React, Vue, and Angular, which saves time on setting up development environments.
  • Integrated Development
    CodeSandbox includes built-in terminal access and npm/yarn package management, making it possible to manage dependencies directly within the editor.
  • Live Previews
    Code changes are instantly compiled and displayed, providing immediate feedback with live previews of the application.
  • GitHub Integration
    Seamless integration with GitHub allows importing and exporting repositories, making it easier to manage version control and workflows.
  • Accessibility
    Being a web-based IDE, CodeSandbox can be accessed from any device with an internet connection, enhancing flexibility and mobility.

Possible disadvantages of CodeSandbox

  • Performance Issues
    Some users experience lag and slower performance, particularly with larger projects, compared to local development environments.
  • Limited Customization
    While convenient, the pre-configured environments might limit advanced customization options available in local IDEs.
  • Dependency on Internet
    As an online platform, a stable internet connection is required to use CodeSandbox effectively, which could be a limitation in areas with poor connectivity.
  • Free Tier Limitations
    The free version comes with certain restrictions on resources and functionality, which might not be sufficient for larger or more complex projects.
  • Security Concerns
    Storing code in an online platform can raise security concerns, especially for sensitive or proprietary projects.
  • Learning Curve
    Despite its ease of use, developers new to online IDEs might face a learning curve in adapting from traditional, local development environments.

Preact.js features and specs

  • Size
    Preact is very small in size (about 3KB gzipped), which makes it easy to load and faster to execute, resulting in improved performance and quicker load times.
  • Compatibility
    Preact is largely compatible with React, allowing developers to switch to Preact with minimal code changes. This makes it easier to adopt for projects already using React.
  • Performance
    Due to its small size and efficient design, Preact offers excellent performance, especially on low-powered devices and in applications with heavy user interactions.
  • Ecosystem
    Preact can work with many tools and libraries that are designed for React, giving developers access to a rich ecosystem of resources.
  • Community
    Preact has an active and growing community that provides support, plugins, and third-party tools, making it easier for developers to find solutions and share knowledge.

Possible disadvantages of Preact.js

  • Feature Set
    While Preact covers most of the core React features, it lacks some of the advanced functionality present in React, which may require additional workarounds or third-party libraries.
  • Learning Curve
    For developers coming from a non-React background, learning Preact might involve a learning curve, particularly because of its similarities and subtle differences with React.
  • Tooling Compatibility
    Although many tools designed for React can work with Preact, some might not be directly compatible, requiring additional configuration or patches.
  • Community Size
    While Preact has a supportive community, it is smaller compared to the massive React community, which can result in fewer available resources and third-party packages.
  • Maturity
    Preact, being newer and less widely adopted than React, might not have the same level of battle-tested reliability for all use cases, especially for large scale applications.

Analysis of CodeSandbox

Overall verdict

  • Yes, CodeSandbox is a highly regarded tool among developers, especially for quick prototyping and collaborative coding.

Why this product is good

  • Ease of Use: CodeSandbox provides an intuitive and user-friendly interface, making it accessible for beginners and efficient for experienced developers.
  • Collaboration: Real-time collaborative features allow multiple developers to work on the same project simultaneously.
  • Integration: It offers seamless integration with popular version control systems like GitHub, making it easy to import/export projects.
  • Environment: Supports a wide range of JavaScript frameworks and libraries, such as React, Vue, and Angular, enabling rapid building of applications.
  • Cloud-Based: Being cloud-based means no setup is required, and projects can be accessed anywhere with an internet connection.

Recommended for

  • Front-end Developers: Suitable for developers who want to quickly build and test front-end applications without local setup.
  • Educators and Students: Ideal for teaching and learning coding due to its collaborative and interactive code editing features.
  • Prototypers: Those looking for a fast way to prototype ideas in a conducive and integrated environment.
  • Open Source Contributors: Simplifies the process of reviewing and testing contributions to open-source projects.

Analysis of Preact.js

Overall verdict

  • Preact.js is a strong option for projects where performance and load time are critical, or where a light footprint is necessary. Its compatibility with React makes it a flexible and efficient alternative in scenarios where React may be overkill due to its larger size.

Why this product is good

  • Preact.js is known for its small size and high performance, making it an excellent choice for developers who need a lightweight alternative to React without sacrificing functionality. It offers a familiar API for React developers, ensuring an easy transition, and is highly efficient in terms of rendering performance. Preact also offers excellent compatibility with existing React tools and ecosystems, meaning many React packages work seamlessly with Preact.

Recommended for

    Preact.js is recommended for developers building applications with stringent performance requirements, those needing to optimize for fast loading times in environments with limited bandwidth or resources, or those looking to integrate React-like architecture in smaller projects without introducing the full weight of the React library.

CodeSandbox videos

A browser IDE that's actually GOOD? (CodeSandbox.io Review!)

More videos:

Preact.js videos

JS frameworks are replaceable

Category Popularity

0-100% (relative to CodeSandbox and Preact.js)
Text Editors
100 100%
0% 0
Javascript UI Libraries
0 0%
100% 100
Programming
100 100%
0% 0
JavaScript Framework
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare CodeSandbox and Preact.js

CodeSandbox Reviews

8 Best Replit Alternatives & Competitors in 2022 (Free & Paid) - Software Discover
Codesandbox is an online code editor and prototyping tool that makes creating and sharing web apps faster. Codesandbox: Online code editor and ide for rapid web development.
12 Best Online IDE and Code Editors to Develop Web Applications
CodeSandbox can be thought of as a much more powerful and complete take on JSFiddle. True to its name, CodeSandbox provides a complete code editor experience and a sandboxed environment for front-end development.
Source: geekflare.com

Preact.js Reviews

Top JavaScript Frameworks in 2025
PreactJS is a JavaScript library that is said to be the fast 3Kb alternative to ReactJS using the same modern API. It implements the fastest virtual DOM compared to other frameworks in the market. Moreover, it is one of the smallest libraries in terms of size.
Source: solguruz.com
20 Next.js Alternatives Worth Considering
Preact is like React’s little sibling, smaller in size but with the same familiar moves. It’s cutting down the fluff and zipping through tasks with less overhead. When performance budgets are tight, Preact wiggles in perfectly.
20 Best JavaScript Frameworks For 2023
Preact is built with the same core principle of React – A component-based approach with Virtual DOM while completely compatible with React. It can even use React packages without compromising on speed, performance, and leaner size. In instances where the full potential of React isn’t necessary, most developers even use React during development and switch to Preact for...
Top 15 jQuery Alternatives To Know
ReactJS is a powerful JavaScript library to create user interfaces. Developers can design easy views at each stage in the application and there is regular update and rendering for the actual components whenever there is any data alteration. It is component-driven and creates encapsulated components that manage their own state.
Top 5 JavaScript Frameworks To Learn in 2021
But according to the graph above, we can notice a decrease in interest in Preact. This might result from having many similar frameworks with the same specs, like react-lite, Inferno, etc. However, knowing a framework like Preact will be useful for your development journey.
Source: enlear.academy

Social recommendations and mentions

Based on our record, CodeSandbox should be more popular than Preact.js. It has been mentiond 310 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

CodeSandbox mentions (310)

  • How To Install Shadcn UI In React JS
    CodeSandbox Examples: Check out CodeSandbox for live projects using Shadcn UI. It’s a great way to see the toolkit in action. - Source: dev.to / 3 months ago
  • Thankful for CodeSandbox
    I am thankful for a platform like CodeSandbox because it allows me to offload majority of the processing power and memory resources to the cloud. With a local VS Code installed, I can tunnel in via a remote connection to work on my projects, tinker, or do a deep-dive on certain topics; all while ensuring that the RPi 4 still has sufficient resources left to run other things in the background. - Source: dev.to / 3 months ago
  • Some useful .new "shortcut" domains
    To create a new React JS environment in CodeSandbox. Similar domains include js.new, vue.new, etc.,. - Source: dev.to / 4 months ago
  • Sonos CEO Patrick Spence steps down after app update debacle
    I have, it's called Visual Studio Code and I ditched my old native editor(s) for it. I'd even suggest that the fact that it's JS based has significantly changed the tech world because the editor itself will run in a browser so it's here https://godbolt.org/ , and here https://codesandbox.io, and here https://www.postman.com/, and here https://aws.amazon.com/pm/cloud9/ and 100s or 1000s of other sites. - Source: Hacker News / 5 months ago
  • React Native Online Compiler: Compare the Top 5 Platforms for Your Development Needs
    CodeSandbox for web-first collaborative projects. - Source: dev.to / 6 months ago
View more

Preact.js mentions (93)

View more

What are some alternatives?

When comparing CodeSandbox and Preact.js, you can also consider the following products

CodePen - A front end web development playground.

Svelte - Cybernetically enhanced web apps

replit - Code, create, andlearn together. Use our free, collaborative, in-browser IDE to code in 50+ languages — without spending a second on setup.

Vue.js - Reactive Components for Modern Web Interfaces

JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor.

React - A JavaScript library for building user interfaces