DartPad is an online platform provided by the Dart team where you can write, run, and share Dart code right in your web browser. It's like a playground for experimenting with Dart code without needing to set up a development environment on your computer.

Features of DartPad:

1. Code Editor: It provides a code editor with syntax highlighting and auto-completion to help you write Dart code more efficiently.
2. Run Code: You can instantly run your Dart code in the browser and see the output without needing to compile or set up any environment.
3. Console Output: It displays the output of your Dart code in the same window, so you can easily see the results of your code execution.
4. Share Code: You can easily share your Dart code with others by sharing the URL of your DartPad session.
5. Supported Libraries: DartPad supports a wide range of Dart libraries and packages, allowing you to explore and use various functionalities of Dart.