JupyterLite

Spec sheet

Purpose

JupyterLite is a JupyterLab distribution that runs entirely in the browser.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Audience

The project describes its goal as providing lightweight browser based computing that is accessible without installing software.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Deployment

JupyterLite sites are served as static HTTP(S) assets locally or on most static web hosts, and can be embedded in larger applications.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Free plan

NoRead 22 Sep 2026 · jupyter.org

Integrations

The how-to guides list deployment options including GitHub Pages, ReadTheDocs, Vercel, Netlify, GitLab Pages, and Binder.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Support

The documentation invites users to join the JupyterLite community and contribute to the project.Read 11 Oct 2026 · jupyterlite.readthedocs.io

License

The GitHub repository identifies the project license as BSD-3-Clause.Read 11 Oct 2026 · github.com

Maker

JupyterLite is part of the Project Jupyter Frontends subproject, and Project Jupyter describes itself as a nonprofit open source project born in 2014.Read 11 Oct 2026 · jupyter.org

Compatibility limit

The project states that not all features available in JupyterLab and the Classic Notebook work with JupyterLite.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Customization

A JupyterLite site can be customized with content, configuration, kernels, and extensions.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Data privacy

The documentation says data stays in the browser unless enabled extensions send it to external services or notebook code uses the browser fetch mechanism.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Deployment options

staticRead 22 Sep 2026 · jupyter.org

Embedding

A JupyterLite REPL can be embedded on another website with an iframe.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Extensions

JupyterLite uses the JupyterLab extension system and can be extended with frontend extensions and custom kernels.Read 11 Oct 2026 · jupyterlite.readthedocs.io

File size limit

Browser storage is limited, and the guide says smaller uploads up to approximately 50 MB should be fine.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Files and storage

Created files are stored in the browser’s IndexedDB by default and are not shared across different sites.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Full-stack runtime

NoRead 22 Sep 2026 · jupyter.org

Hosting options

The documentation describes deployment on GitHub Pages, Read the Docs, Vercel, Netlify, GitLab Pages, and Binder.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Interfaces

Deployments can provide JupyterLab, Jupyter Notebook, and a minimal REPL application.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Kernel limitation

The jupyterlite-core package does not provide any kernels by default; a kernel must be installed in the build environment.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Kernels

The project maintains browser based Python kernels using Pyodide and Xeus Python, plus an R kernel using Xeus R.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Limitations

The project states that not all features available in JupyterLab and Classic Notebook work with JupyterLite.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Notebook storage

Users can view hosted example notebooks and files, then edit, save, and download them using browser IndexedDB or localStorage.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Offline use

The documentation includes a guide for creating a JupyterLite archive that can be used offline.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Private projects

NoRead 22 Sep 2026 · jupyter.org

Project status

JupyterLite is part of Project Jupyter’s Frontends subproject.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Python kernels

The documentation lists Pyodide and Xeus Python kernels running in a Web Worker.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Real-time collaboration

NoRead 22 Sep 2026 · jupyter.org

Server requirement

The documentation says JupyterLite requires no dedicated application server or container orchestrator.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Sharing controls

link_accessRead 22 Sep 2026 · jupyter.org

Supported releases

Only the last two JupyterLite releases are actively supported.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Visualization

It supports interactive visualization libraries including altair, bqplot, ipywidgets, matplotlib, and plotly.Read 11 Oct 2026 · jupyterlite.readthedocs.io

Plans and prices

Every JupyterLite plan and price →

Where Specifiction places it

• Coding Playgrounds#39 of 1388.4