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Documentation Index

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Stlite brings Streamlit to the browser by running Python entirely via Pyodide — a WebAssembly port of CPython. You can embed a full Streamlit app in a static web page, integrate it into a React app, bundle it as an Electron desktop application, or export it as a shareable URL — all without a Python server.

Introduction

Learn what Stlite is, how it works, and which package fits your use case.

Quickstart

Embed your first Streamlit app in a browser page in under 5 minutes.

@stlite/browser

Use Stlite on any static web page via CDN script tag or the mount() API.

@stlite/react

Integrate Stlite as a React component in your Vite or React app.

@stlite/desktop

Package your Streamlit app as a standalone Electron desktop application.

CLI

Use the stlite CLI to export apps as HTML files, shareable URLs, or offline bundles.

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How It Works

Stlite runs CPython inside your browser using Pyodide, a WebAssembly build of Python. The Streamlit frontend runs as normal in the browser, but instead of talking to a Python server over a WebSocket, it communicates with a Pyodide kernel running in a Web Worker. This means:
  • No server required — the entire app runs client-side
  • No installation for end-users — just visit a URL
  • Pyodide packages — install Python packages at runtime via micropip
  • Full Streamlit API — most Streamlit widgets and features work as-is

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Choose Your Integration

Static Web Page

Load from CDN with a <script> tag. Zero build step required.

React App

Drop in <StliteAppWithToast> and call createKernel() in any React project.

Desktop App

Bundle with Electron using @stlite/desktop and ship a .exe or .app.

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Try It Online

Visit Stlite Sharing to write and run a Streamlit app directly in your browser — no installation needed.
Stlite runs Python in the browser via WebAssembly. Some Python packages that rely on native C extensions may not be available. See the Limitations guide for details.

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