Chrome & Edge Extension

PyNoteFlow

A full-featured Python notebook that runs entirely in your browser — no server, no install, no cloud account needed.

Install Free → See Pricing
Everything you need to run Python

Powered by Pyodide 0.25.1 — Python 3.11 compiled to WebAssembly

🐍

Python 3.11 In-Browser

Full Python runtime via Pyodide. numpy, pandas, matplotlib, scipy, sympy and hundreds more — all local.

📓

.ipynb Compatible

Open and save Jupyter notebooks directly. Works with your existing .ipynb files.

🤖

AI Assistant

Gemini-powered AI explains errors, suggests fixes, and helps write code — right inside the notebook.

✏️

Live Annotation

Draw, highlight, and annotate over any cell with a built-in whiteboard canvas.

🎨

10 Themes

Dark, Light, Azure, Coffee, Watermelon and more. Fully styled with syntax highlighting.

🔌

Colab / Jupyter Kernel

Connect to a live Google Colab or Jupyter server for heavy computation while keeping the notebook UI.

Simple Pricing

Start free — upgrade once, own it forever.

Free
$0
Forever free
  • Up to 15 cells per notebook
  • Up to 10 PDF pages
  • numpy, pandas, matplotlib & more
  • AI Assistant
  • 5 free themes
  • Annotation canvas
Install Free →
PRO
$15 one-time
Lifetime access · no subscription
  • Unlimited cells & notebooks
  • Unlimited PDF pages
  • Install any Python package
  • All 10 themes
  • Priority support & updates
  • Colab / Jupyter kernel

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