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HTML Formatter & Beautifier

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Convert HTML markup (headings, links, tables, lists) to clean Markdown.

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CSS Formatter & Beautifier

Beautify and indent CSS rules, properties, and media queries.

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JavaScript Formatter & Beautifier

Beautify and indent JavaScript and TypeScript code blocks.

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Minified or auto-generated HTML, common in scraped pages or CMS output, is nearly unreadable without proper indentation. This HTML formatter parses your markup and reformats it with consistent indentation and standard tag nesting, making the document structure clear at a glance. It's a go-to tool for developers reviewing scraped or generated HTML, students learning markup structure, and anyone debugging a layout issue who needs to see the real nesting of elements. The formatter handles self-closing tags, inline elements, and void elements according to HTML conventions so the output looks the way a developer would hand-write it. Since everything runs client-side in your browser, your markup is never uploaded to a server, and there's no signup required. Paste your HTML below to see it beautifully formatted instantly.

Features

  • ✓Beautifies HTML with consistent, configurable indentation
  • ✓Correctly handles void and self-closing tags
  • ✓Preserves inline formatting for elements like span and a
  • ✓Indents nested elements according to standard conventions
  • ✓One-click minify toggle for the same markup
  • ✓Handles large HTML documents without lag
  • ✓Copy-to-clipboard and download-as-file options
  • ✓Fully client-side with no data upload

Why use this html formatter & beautifier?

  • Formats even large HTML pages in milliseconds
  • Keeps your markup private with local-only processing
  • Produces readable, conventionally-indented output
  • Simple paste-and-go interface with no setup
  • Completely free with unlimited use

Frequently asked questions

What does an HTML formatter do?

It rewrites compact or minified HTML with consistent indentation and line breaks so the tag structure is easy to read, without altering the actual markup content.

Does the formatter fix broken or invalid HTML?

It will attempt to indent the markup as-is, but it doesn't automatically repair missing or mismatched tags - use it alongside careful review for malformed HTML.

Can it handle embedded inline CSS and JavaScript?

Yes, style and script blocks within the HTML are preserved and indented along with the surrounding markup.

Is my HTML uploaded to a server to format it?

No, formatting happens entirely in your browser using client-side JavaScript, so your markup is never sent anywhere.

Can this tool also minify HTML?

Yes, you can toggle to a minified view of the same markup for production use.

What indentation options are available?

You can choose common indent widths, typically 2 or 4 spaces, to match your project's coding style.

Does it work with large HTML pages?

Yes, since processing is entirely local, even large multi-kilobyte pages format almost instantly.