HTML Minifier

Compress HTML document markup by removing comments, blank lines, and spacing while preserving script and style tags.

Category: Developer

How to Use HTML Minifier

  1. Paste or type your input string, code snippet, or text block into the html minifier editor.
  2. Configure formatting rules, target case, indent spacing, or encoding parameters.
  3. Click Process to execute the transformation instantly inside browser memory.
  4. Copy the formatted output or download it as a text file.

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Frequently Asked Questions

What elements are compressed during HTML minification?

The HTML Minifier removes HTML comments (<!-- ... -->), collapses redundant whitespace between tags, and trims blank lines throughout the document markup while preserving essential document structure.

How does the minifier protect whitespace-sensitive tags like <pre> and <textarea>?

Tags where whitespace is semantically critical—such as <pre>, <textarea>, inline <script>, and <style> blocks—are automatically extracted, protected during whitespace compression, and restored intact.

How does HTML minification improve website page speed?

Minified HTML reduces the total download payload transferred during the initial HTTP GET request. This improves Time to First Byte (TTFB) delivery and speeds up the browser's HTML parser when constructing the DOM tree.

Are HTML comments preserved or stripped?

Standard HTML comments are stripped to minimize payload size. If you need to retain specific legal or licensing comments, you can retain them in script header blocks.

Can I minify complete HTML5 documents including doctype and head tags?

Yes. The tool handles complete HTML5 documents from <!DOCTYPE html> to closing </html> tags as well as partial component templates for Vue, React, or server templates.