The developer tools you reach for every day, all in one place.

Converters, formatters, hashes, validators, and the small utilities you keep reopening stay together instead of getting lost across tabs.

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109 tools

/ HTML Formatter

HTML Input

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HTML Formatter

Format and beautify HTML code with proper indentation

■ 01

What is HTML Formatting?

HTML formatting restructures HTML code to follow consistent indentation and line break patterns. This makes the code more readable and easier to maintain. Minification removes all unnecessary whitespace and comments to…

■ 02

How does it work?

Formatting parses HTML tags and adds proper indentation based on nesting level. Self-closing and void elements like <img> and <br> are handled appropriately. Minification strips comments and collapses whitespace. Format…

■ 03

Sample Cases

Covers Simple structure, With attributes, and Complex nesting so you can compare common inputs and outputs quickly.

/ Code

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/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code

TypeScript

typescript

// Simple HTML formatter

function formatHtml(html: string): string {
  if (!html.trim()) return '';

  const indentStr = '  ';
  let indentLevel = 0;
  const result: string[] = [];

  const voidElements = new Set([