A Powerful Offline JavaScript Playground that lives right in your browser.

• Real Monaco Editor: Experience IntelliSense, syntax highlighting, and code completion for a seamless coding experience.

• Powerful Console: Inspect JavaScript values with an advanced console that supports expandable objects, arrays, Maps, Sets, typed arrays, class instances, console.table, groups, timers, counters, assertions, traces, and preserved stack traces.

• Multiple Snippets: Manage your code effectively with auto-save, filtering, renaming, reordering, import, and export functionalities.

• JSON Fixtures: Easily load JSON data by naming your snippets with a .json extension and using the `readJSON()` function.

• Sandboxed Execution: Your code runs in an isolated environment, ensuring it has no access to the extension, browser, or current page.

• Flexible Layouts: Customize your workspace with three distinct layouts featuring resizable editor, console, and snippet panels.

• Multiple Themes: Choose from 20 themes, including light and dark modes, all checked for WCAG AA contrast.

• Chrome Sync: Keep your snippets synchronized across all your machines.

• Keyboard Shortcuts: Boost your productivity with shortcuts for fast execution, saving, console management, and more.

• Fullscreen & Focus Mode: Immerse yourself in coding with dedicated modes for distraction free work.

Built for quick experiments, debugging, learning, testing ideas, and working with JavaScript without needing a full development environment. This tool is offline by design, providing a robust JavaScript playground directly within Chrome.