Format or beautify TypeScript

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

Format your code now!
// Welcome to HappyFormatter!
function greet(): void {
  console.log("Welcome to HappyFormatter!");
}

function showInstructions(): void {
  const instructions: string[] = [
    "Type or paste TypeScript here",
    "HappyFormatter will format your code"
  ];
  instructions.forEach(instruction => console.log(instruction));
}

greet();
showInstructions();

// DOM Manipulation Example
document.body.innerHTML = "<h1>Welcome to HappyFormatter!</h1>";
Valid typescript
// Welcome to HappyFormatter!
function greet(): void {
  console.log("Welcome to HappyFormatter!");
}

function showInstructions(): void {
  const instructions: string[] = [
    "Type or paste TypeScript here",
    "HappyFormatter will format your code",
  ];
  instructions.forEach((instruction) => console.log(instruction));
}

greet();
showInstructions();

// DOM Manipulation Example
document.body.innerHTML = "<h1>Welcome to HappyFormatter!</h1>";

TypeScript Formatter


Happy Formatter's TypeScript Formatter and TypeScript Validator help to auto format TypeScript code and validate your TypeScript text.

  • TypeScript formatter online is the best tool to format TypeScript data.
  • TypeScript minifier online is the best tool to minify TypeScript data.
  • It helps to validate TypeScript online with error messages.
  • It's also a TypeScript Beautifier that supports indentation levels: 2 spaces, 3 spaces, and 4 spaces.
  • Supports printing of TypeScript data.
  • Stores data locally for the last TypeScript formatted in the browser's local storage. This can be used as a Notepad++, Sublime, or VSCode alternative for TypeScript beautification.
  • This TypeScript online formatter can also work as TypeScript Lint.
  • Use the auto switch to turn auto-update on or off for beautification.
  • It uses WebAssembly (WASM) to beautify TypeScript, making it easy for a human to read and analyze.
  • Download TypeScript once it's created or modified, and it can be opened in Notepad++, Sublime, or VSCode alternative.
  • TypeScript Format Checker helps to fix the missing quotes; click the setting icon which looks like a screwdriver on the left side of the editor to fix the format.

Know more about typescript:

  • TypeScript is a programming language developed and maintained by Microsoft. It is a strict syntactical superset of JavaScript, and adds optional static typing to the language.
  • TypeScript is designed for the development of large applications and transpiles to JavaScript, making it compatible with all browsers and environments.
  • TypeScript is a statically typed language, which means that the type of a variable is known at compile time, helping to catch errors before runtime.
  • TypeScript is an open-source language, allowing developers to use it freely and contribute to its development.

TypeScript Validator


TypeScript Validator Online checks the integrity/syntax of the TypeScript data based on JavaScript Object Notation (JSON) Data Interchange Format Specifications (RFC).

  • 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 TypeScript Fixer to repair the error.
  • To validate TypeScript you just need internet and no need to install any software.
  • Your TypeScript data gets validated in the browser itself.

Frequently Asked Questions

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