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About

StackBlitz WebContainers bring a full Node.js runtime directly into the browser, enabling instant, secure, and interactive development environments inside any web app. Developers can run native npm, pnpm, and yarn at speeds up to 10× faster than local, without needing external servers. The API lets you boot containers, mount files, install dependencies, and run dev servers entirely client-side. WebContainers support major frameworks, Wasm workloads, and modern browsers, making them ideal for tutorials, sandboxes, docs, and AI-driven developer tools. With isolated, disposable environments, teams can offer a seamless coding experience that feels native and eliminates backend overhead. The result is a powerful platform that transforms web apps into full-featured IDEs.

About

WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications. The Wasm stack machine is designed to be encoded in a size- and load-time-efficient binary format. WebAssembly aims to execute at native speed by taking advantage of common hardware capabilities available on a wide range of platforms. WebAssembly describes a memory-safe, sandboxed execution environment that may even be implemented inside existing JavaScript virtual machines. When embedded in the web, WebAssembly will enforce the same-origin and permissions security policies of the browser. WebAssembly is designed to be pretty-printed in a textual format for debugging, testing, experimenting, optimizing, learning, teaching, and writing programs by hand. The textual format will be used when viewing the source of Wasm modules on the web.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Teams building interactive devtools, coding education platforms, AI-assisted IDEs, or in-app developer experiences that require a secure, fast, and fully client-side Node.js runtime

Audience

Developers

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

StackBlitz
Founded: 2018
United States
webcontainers.io

Company Information

WebAssembly
Founded: 2015
webassembly.org

Alternatives

Alternatives

AssemblyScript

AssemblyScript

The AssemblyScript Project
Modsurfer

Modsurfer

Dylibso

Categories

Categories

Integrations

Angular
BlazorPlate
BoxLang
Extism
Graphite
HTML
Indent
JSON
JavaScript
ML Console
Meshpage.org
Modsurfer
Next.js
Node.js
Second State
SurrealDB
Visual Studio
Wasmer
Zellij
fastText

Integrations

Angular
BlazorPlate
BoxLang
Extism
Graphite
HTML
Indent
JSON
JavaScript
ML Console
Meshpage.org
Modsurfer
Next.js
Node.js
Second State
SurrealDB
Visual Studio
Wasmer
Zellij
fastText
Claim StackBlitz WebContainers and update features and information
Claim StackBlitz WebContainers and update features and information
Claim WebAssembly and update features and information
Claim WebAssembly and update features and information