Format or beautify dart

Format or beautify your code in dart locally in your browser using WebAssembly.

// Welcome to HappyFormatter!
import 'dart:io';

void main() {
  print('Welcome to HappyFormatter!');
}

Valid dart

// Welcome to HappyFormatter!
import 'dart:io';

void main() {
  print('Welcome to HappyFormatter!');
}

Dart Formatter

Dart Formatter that formats Dart data, locally in your browser

Dart formatter online is the best tool to format Dart data.
Dart validator online is the best tool to validate Dart data.
It helps to validate Dart online with error messages.
It's also a Dart Beautifier that supports indentation levels: 2 spaces, 3 spaces, and 4 spaces.
Supports printing of Dart data.

Dart is a programming language designed for client development, such as for mobile apps and games.
Dart is developed by Google and is used to develop applications for the Google Dart SDK.
Dart is a statically typed language, which means that the type of a variable is known at compile time.
Dart is a compiled language, which means that the code is converted to machine code before it is run.
Dart is a server-side language, which means that the code is executed on the server.
Dart is a mobile-first language, which means that the code is designed to run on mobile devices.

Dart Validator Online checks the integrity/syntax of the Dart data based on Dart Specifications.

It's super easy to find the error when line numbers are highlighted with an in-detail error description.
Use the format button as a Dart Fixer to repair the error.
To validate Dart you just need internet and no need to install any software.
Your Dart data gets validated in the browser itself.