🧪 Interactive Playgrounds

Experiment.
Build. Test.

Hands-on developer tools and sandboxes. Learn by doing, experiment safely, and level up your coding skills.

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Interactive Playgrounds

Markdown Preview

Live Markdown editor with instant preview, toolbar shortcuts, auto-save, and export to .md.

JavaScript REPL

Interactive JavaScript console with live execution and code visualization.

Test and learn regular expressions with real-time matching and explanations.

CSS Layout Playground

Experiment with CSS Grid and Flexbox layouts visually.

API Request Builder

Build and test HTTP requests with a visual interface.

Parse, validate, and navigate JSON data structures.

Practice Git commands in a safe, virtual environment.

Color Palette Generator

Create beautiful color schemes with accessibility checking.

Beautify and format code in multiple programming languages.

Password Generator

Generate secure passwords with customizable complexity.

Date/Time Utilities

Convert timezones, calculate dates, and format timestamps.

Convert numbers between binary, decimal, hex, and octal.