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Free HTML Minifier Online

Minify HTML to reduce file size. Remove HTML comments, whitespace, and empty lines instantly. Free online HTML minifier for faster web pages.

minified.html
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How to use Free HTML Minifier Online

1

Paste your HTML code into the input editor

2

Choose which optimizations to apply using the checkboxes

3

Click 'Minify HTML' to process the code

4

Copy the minified output for use in production

Why use this tool?

Smaller Pages

Reduce HTML payload sent to the browser

Faster TTFB

Less data to transfer means quicker Time to First Byte

Clean Output

Remove development-only comments from production code

Free HTML Minifier - Compress HTML Online

Reduce HTML file size by removing comments, collapsing whitespace, and eliminating empty lines. Improve Time to First Byte (TTFB) and Core Web Vitals with smaller HTML payloads. Choose exactly which optimizations apply with simple toggles. All processing in your browser—no uploads required.

Quick How-To Guide

  1. 1Paste your HTML code into the input editor
  2. 2Choose which optimizations to apply (comments, whitespace, empty lines)
  3. 3Click "Minify HTML" to compress the code
  4. 4View size reduction stats below
  5. 5Copy the minified HTML for your production server

Why use our tool?

Remove HTML comments (preserves conditional IE comments)
Collapse multiple spaces and tabs to single space
Remove empty lines and leading whitespace per line
Configurable options with toggle checkboxes
See exact bytes saved after minification
Dark code editor for comfortable use

Frequently Asked Questions

Find answers to common questions about using our tool, its features, and how it handles your data privacy.

No. Browsers ignore extra whitespace in HTML (except inside <pre> tags). Minified HTML renders identically to the original formatted code.
Yes. <!--[if IE]--> conditional comments are preserved because they affect browser behavior. Only standard <!-- --> comments are removed.
Yes — for production. Modern frameworks like Next.js and Vite do this during build. Use this tool for static HTML files or quick manual jobs.
Typically 5-20% depending on how much whitespace and comments your HTML contains. While larger than CSS/JS savings, it improves TTFB for large HTML pages.
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