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HomeToolsHTML Prettifier

HTML Prettifier

Format and prettify minified HTML with proper indentation. Choose 2 or 4 space indent. Clean up messy HTML markup.

Client-side only

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How to Use the HTML Prettifier

Paste minified or messy HTML and get a beautifully formatted version with proper indentation and line breaks. Choose between 2 or 4 space indentation.

Features

  • Auto-Indentation — Correctly indents nested elements based on HTML tag hierarchy.
  • Self-Closing Tag Support — Recognizes
    ,
    , , , and other void elements.
  • Configurable Indent — Choose 2 or 4 spaces to match your project's code style.
  • Real-Time Preview — See the formatted output as you paste or type.

    • Common Use Cases

  • Code Review — Format minified vendor HTML to understand its structure.
  • Debugging — Make compressed HTML readable to find missing tags.
  • Documentation — Clean up examples before adding to docs.
  • Email Templates — Format messy generated HTML for editing.

    • Why Use This Tool

    Minified HTML is unreadable. This tool restores proper formatting instantly, making it easy to understand tag hierarchy, find errors, and maintain clean code.

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    Base64 Encoder/Decoder

    Encode text to Base64 or decode Base64 strings instantly. Useful for API tokens, data URIs, and debugging.

    CSS Formatter

    Format and beautify minified CSS with proper indentation, one property per line, and grouped selectors.

    HTML to Markdown

    Convert HTML to clean Markdown. Handles headings, links, images, tables, code blocks, and blockquotes.

    Markdown Preview

    Live side-by-side Markdown editor with instant HTML preview. Supports headings, lists, code, tables, and more.