The JavaScript playground app

Prototype faster than ever with your Markdown and Javascript notes
to explore your ideas. 🚀

The most efficient way to run and organize your code snippets

DOWNLOAD (Free version)

Javascript Playground

Visually run code from your Markdown

Run plain Javascript

Use modern JS syntax and customize your code suggestions.

Visualize your data

Easily explore any datasets with embedded libs and functions.

Make diagrams

Thanks to Mermaid syntax you can create various diagrams.

Use Browser and Node APIs

Install npm packages and JS scripts to unlock and automate all your tasks.

A "must have" in your development toolbox ❤️.

Quick Draft & Multi notes

Instantly take notes with autosaved drafts. Save your time with the note reopening mechanism.

Code syntax highlighting

Powerful syntax editor. Support nearly all languages & Dark mode theme for a better usability.

Lock your files

Secure your files with a password to prevent others from reading your sensitive data.

Cloud synchronization

Save your notes online for free and sync them across all your computers.

Keyboard friendly

Quickly find and navigate between your notes.

The JavaScript playground app

Prototype faster than ever with your Markdown and Javascript notes
to explore your ideas. 🚀

The most efficient way to run and organize your code snippets

Javascript Playground

Visually run code from your Markdown

Run plain Javascript

Use modern JS syntax and customize your code suggestions.

Visualize your data

Easily explore any datasets with embedded libs and functions.

Make diagrams

Thanks to Mermaid syntax you can create various diagrams.

Use Browser and Node APIs

Install npm packages and JS scripts to unlock and automate all your tasks.

Organize your notebooks

Quickly find 🔎 your notes with folders and tags 🗂.

A "must have" in your development toolbox ❤️.

Quick Draft & Multi notes

Code syntax highlighting

Lock your files

Cloud synchronization

Keyboard friendly

Watch Demo

Platforms

The JavaScript playground app

Prototype faster than ever with your Markdown and Javascript notes to explore your ideas. 🚀

The most efficient way to run and organize your code snippets

Javascript Playground

Visually run code from your Markdown

Run plain Javascript

Use modern JS syntax and customize your code suggestions.

Visualize your data

Easily explore any datasets with embedded libs and functions.

Make diagrams

Thanks to Mermaid syntax you can create various diagrams.

Use Browser and Node APIs

Install npm packages and JS scripts to unlock and automate all your tasks.

Organize your notebooks

Quickly find 🔎 your notes with folders and tags 🗂.

A "must have" in your development toolbox ❤️.

Quick Draft & Multi notes

Code syntax highlighting

Lock your files

Cloud synchronization

Keyboard friendly

Watch Demo

Platforms

Get tutorials

Prototype faster than ever with your Markdown and Javascript notes
to explore your ideas. 🚀