ESC

HTML Input

Formatted Result

All processing happens in your browser. No data is sent to any server.

Usage Examples

Messy HTML Cleanup

Take unformatted, single-line HTML and beautify it with proper indentation for easy reading and editing.

Production Minification

Minify well-formatted HTML by removing whitespace and comments to reduce file size for production deployment.

Template Formatting

Format complex HTML templates with nested tables, forms and components into clean, organized code.

Features

Smart Indentation

Automatically indents nested HTML elements with configurable indent size (2 spaces, 4 spaces, or tab)

HTML Minification

Remove whitespace, comments and line breaks to minimize HTML file size for production

Preserves Content

Preserves content inside pre, code, script and style tags without reformatting

Privacy First

All processing runs locally in your browser, no data sent to servers

How to Use

1

Set Indent Preference

Choose your preferred indentation: 2 spaces, 4 spaces, or tab characters.

2

Paste HTML Code

Paste or type the HTML code you want to format or minify.

3

Beautify or Minify

Click Beautify for readable formatting or Minify for compact output. Copy the result.

Frequently Asked Questions

Beautify (also called pretty-print) reformats HTML code by adding proper indentation, line breaks, and consistent spacing. Each nested element is indented one level deeper than its parent. The result is human-readable code that is easy to scan, debug, and edit. This is especially useful when you receive minified or auto-generated HTML that is one long line of tags.

Minification removes all whitespace (spaces, tabs, newlines), comments, and optional line breaks that are only there for human readability. The resulting HTML is functionally identical to the original but takes up less space — reducing file size by 10-30% is typical for well-commented templates. Minified HTML downloads faster and saves bandwidth, making it standard practice for production deployments.

No. Beautification only changes whitespace and indentation — tags, attributes, attribute values, and visible text content are untouched. Minification removes only whitespace that has no visual effect and HTML comments. One important exception: content inside pre, code, script, and style tags is preserved as-is without any reformatting, because whitespace inside those elements is significant (pre-formatted text, code indentation, JavaScript formatting).

This is largely a team/project convention choice. Two spaces: popular in JavaScript projects, React, and modern web frameworks (ESLint/Prettier default). Four spaces: traditional in many style guides, common in Python and backend templates. Tabs: advocated by some developers because tab width is user-configurable in any editor (accessibility argument). Pick whatever matches your project's existing style. If you are starting fresh, 2 spaces is the most common choice in modern front-end development.

The formatter works best with valid HTML. Broken HTML (unclosed tags, mismatched elements, missing quotes on attributes) may produce unexpected indentation in the beautified output or fail to minify cleanly. Use an HTML validator to fix errors first if the formatted output looks wrong. Self-closing tags like <img />, <br />, and <input /> are handled correctly regardless of whether they use XHTML or HTML5 style.

Results vary significantly depending on how much whitespace and how many comments your original HTML contains. Lightly formatted HTML might shrink 5-15%. A template with heavy indentation (nested tables, multiple levels deep) and many comments can shrink 25-40%. For most typical HTML files, expect 10-20% size reduction. For maximum savings, combine HTML minification with Gzip compression on the server side — the combination typically achieves 70-80% total reduction.

Yes. Paste just the HTML portion you want to format. The formatter works on complete HTML documents (<html>, <head>, <body>) or on partial snippets (just a <div> structure or a form). It also handles HTML templates with common syntax from frameworks, though template-specific tags (like Jinja2 {% %} or PHP <?php ?> blocks) will be treated as text content.

No. All beautification and minification happens in your browser using JavaScript. Your HTML code is never uploaded, transmitted, or logged anywhere. You can safely format code containing sensitive internal markup, server-side template logic, or proprietary component structures.

What is HTML Formatter/Beautifier?

You view-source a page and it's one giant line of HTML. No indentation, no line breaks, just a wall of tags. This tool takes that mess and turns it into properly indented, readable code in one click. Or go the other way and minify clean HTML down to a single line for production. You pick your indent style (2 spaces, 4 spaces, tabs) and it handles the rest. Content inside pre, code, script, and style tags stays untouched.

Why Use HTML Formatter/Beautifier?

Debugging minified HTML is miserable. Beautify it first, find the problem, fix it, then minify again for deployment. It keeps your workflow clean. The whole thing runs in your browser, so your code never touches a server. Works with any HTML, from simple pages to complex templates with nested tables and forms.

Security and Privacy

Your data security is our priority

Local Processing

All processing happens in your browser

No Data Transfer

Your data is not sent to our servers

No Data Storage

No data is stored or shared

SSL Encryption

SSL encryption for secure connection

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