HTML Formatter

HTML Formatter

Free

Free online HTML formatter tool with beautify, minify, and validate functions. Auto-indent, syntax highlighting, error checking for clean HTML code. Supports HTML5 standard.

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About HTML Formatter

Free online HTML formatter tool with beautify, minify, and validate functions. Auto-indent, syntax highlighting, error checking for clean HTML code. Supports HTML5 standard.

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User Guide

Key Features
  • Free online HTML formatter with beautify, minify, and validate functions
  • Auto-indent, syntax highlighting, and error checking make messy HTML clean and readable, with full HTML5 support
How to Use
  1. Open the tool page — no installation needed
  2. Paste or type your HTML, pick a mode (Format, Minify, or Validate) and adjust options like indent size or comment removal
  3. Choose a mode and click its button (e.g. "Format Code"); once done, use "Copy" or "Download" to get the result
Important Notes
  • This tool is completely free and requires no sign-up
  • Everything runs locally in your browser — your data never leaves your device

Frequently Asked Questions

What is HTML Formatter?

Free online HTML formatter tool with beautify, minify, and validate functions. Auto-indent, syntax highlighting, error checking for clean HTML code. Supports HTML5 standard.

How do I use HTML Formatter?

Open the tool page — no installation needed Paste or type your HTML, pick a mode (Format, Minify, or Validate) and adjust options like indent size or comment removal Choose a mode and click its button (e.g. "Format Code"); once done, use "Copy" or "Download" to get the result

What should I know before using HTML Formatter?

This tool is completely free and requires no sign-up Everything runs locally in your browser — your data never leaves your device

Is HTML Formatter free to use?

Yes, HTML Formatter is completely free. No download or installation required — it runs right in your browser.