A powerful Javascript playground for Desktop

Prototype faster than ever with your Markdown and Javascript
to explore your ideas. ๐Ÿš€

screenshot demo

Learn and experiment by prototyping your ideas with JavaScript.

DOWNLOAD your next favorite Notepad DOWNLOAD

Javascript Playground

Run your code directly from Markdown

Run plain Javascript plain js demo
Use modern JS syntax and customize your code suggestions.
Visualize your data graph demo
Easily explore any datasets with embedded libs and functions.
Make diagrams diagram demo
Thanks to Mermaid syntax you can create various diagrams
Access Node APIs node api demo
Access to your local data and scripts. Node and browser APIs are available in NotebookJS.

Also included

Get tutorials

Learn about new libraries & plugins integrated

Yeah! We will send you an email soon with information.