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BrowserPod for Node.js is here

Code Sandboxes
in your browser

Instant in-browser runtimes to execute untrusted code safely, next tothe user.

Get Started Book a demo
npm install @leaningtech/browserpod

Loading editor...

import { BrowserPod } from "@leaningtech/browserpod";// Initialize a Pod.const pod = await BrowserPod.boot({ apiKey: "your-api-key" });// Create a Terminalconst terminal = await pod.createDefaultTerminal(  document.getElementById("console"),);// Define the payloadconst script = `console.log("Payload running on Node.js:", process.version);`;// Write the script into the Pod's filesystemconst scriptFile = await pod.createFile("/script.js", "utf-8");await scriptFile.write(script);await scriptFile.close();// Run the scriptawait pod.run("node", ["script.js"], { terminal });

Built by Leaning Technologies, the tech company trusted by leadingorganisations worldwide.

  • NASA
  • TicketMaster
  • Leonardo
  • Siemens
  • Euronext
  • Uscustoms
  • Dalkia
  • ADP
  • moodys
  • NASA
  • TicketMaster
  • Leonardo
  • Siemens
  • Euronext
  • Uscustoms
  • Dalkia
  • ADP
  • moodys

See BrowserPod for Node.js in action

A full Vite + Svelte development environment, running fullyin-browser, with public URLs.

Editor
Terminal
Preview

Features

The universal sandboxed execution layer for
browser-based compute.

Language Support

Multiple language compatibility

Built from the ground-up to support any programming language

Use Cases

Production-ready workflows, fully in the browser

BrowserPod powers secure AI code execution, interactive docs, fullin-browser IDEs, instant demos, and serverless utilities withoutextra infrastructure.

Agentic Coding

Sandboxed AI code execution

Execute AI-generated code in a safe, isolated environment, with near-zero latency and high performance. Unlike cloud-based sandboxes that require scalable infrastructure, BrowserPod runs code directly in the user's browser using WebAssembly.

  • Safe code execution: Let your AI agents generate code and run it in Pods with zero risks and greater performance than cloud sandboxes.

  • Agentic workflows: Give AI assistants and agents a high-fidelity environment where they can "run loose" on projects while remaining strictly isolated from the rest of the host system.

  • Supply-chain risk mitigation: Securely execute untrusted code to protect against potential supply-chain attacks common in AI environments (e.g. slophacking, code injection).

Interactive docs

Transform developer experiences

Move beyond static code snippets. Build interactive documentation that allows users to run, modify, and test backend code examples instantly in their browser.

  • Zero server infrastructure: Deliver runtime without server-side provisioning, drastically reducing operational costs and complexity.

  • Language agnostic: Extensive support for multiple languages, not just Node.js and Python.

  • Pre-configured labs: Developers can jump into a pre-configured lab environment with one click - no more "it works on my machine".

High-fidelity IDEs

Full IDEs and dev environments in-browser

Enable high-fidelity, in-browser development platforms that support multi-process runtimes and networking.

  • Production fidelity: Ensure applications developed in sandboxes behave identically to production deployments thanks to CheerpOS, a high-fidelity kernel virtualisation.

  • Integrated dev servers: Run tools like SvelteKit or Vite directly in the browser and preview changes in real-time.

Portals

Instant shareable demos

BrowserPod's Portals uses virtualised HTTP services to provide a unique URL to demo your products or potential clients.

  • Live previews: Run a full-stack demo of your project in the user's browser and share a live link for cross-device access or stakeholder review.

  • No-installation experience: Allow users to explore complex software features with zero installation, reducing barriers to entry during the commercial investigation phase.

Serverless runtime

Serverless utilities and applications

BrowserPod can serve as a serious primitive for building backend services that do not need persistence.

  • Offload compute: Reduce your cloud computing bill by an order of magnitude by offloading complex executions to the end-user's device.

  • Secure data collection: Build and deploy serverless apps that store data locally during a session, ensuring data never leaves the administrator's device.

How BrowserPod Compares

Why choose BrowserPod

See how BrowserPod stacks up against other code sandbox solutions

FeatureBrowserPodDaytonaBlaxelModal
Run locally in browser
Public URLs for services
Full-stack environment support
Max concurrent environmentsUnlimited Limited by quota Limited by quota Limited by quota
Price per hour of compute*$0.01 from $0.13 from $0.08 from $0.19
Free usage1,000 free hours/month $200 free credit Up to $200 free credit $30 free credits/month
StorageUnlimited First 5GB free Charged per GiB/h Charged per GiB/h
* 2vCPUs and 2GB RAM.

Latest Updates

Stay informed with BrowserPod news

Get the latest insights, announcements, and updates from our team

Ready to get started?

Get in touch to speak to our team, and keep up to date withthe development and releases of BrowserPod.


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