FREE · RUNS IN YOUR BROWSER

Your browser is the runtime.

Real R, Python and Shiny — no install, no account. Write code, run it, see the plot. Right here.

Run in your browser

Free, first-party consoles and a live Shiny editor. The runtime boots in your browser when you click Run — nothing you type is sent to a server.

Shiny Playground

Live

Edit an R Shiny app and watch it run live in your browser. Pick a starter, change the code, re-run — no server, no signup. Share it with a link.

Learn Shiny free →

> x <- rnorm(100)
hist(x, col = "#3a86d4")

R Console

Live

A real R REPL in your browser — run code, draw plots, install packages. The full webR runtime, driven as a console.

Learn R free →

>>> import matplotlib.pyplot as plt
>>> plt.plot(x, y, "#3a86d4")

Python Console

Live

Run Python in your browser — NumPy, pandas, matplotlib and more, powered by Pyodide. No install, nothing uploaded.

Learn Python free →

the runtime is the judge

Bring your own data — ask Prova

Paste or upload a CSV and let Prova write and run the analysis for your columns — in your browser. Prova reads the shape of your data, never the rows.

Open ProvaYour data never leaves your browser · 0 bytes uploaded

len	dose
4.2	0.5
11.5	1.0
23.6	2.0
7.3	0.5

computed in your browser · 0 bytes uploaded

webRPyodideshinylive