Online HTML Minifier Tool

HTML Minifier – Compress & Optimize HTML Online

The WebToolsLab HTML Minifier helps you minify HTML online by removing extra whitespace, comments, and redundant characters. Smaller HTML files load faster, improve Core Web Vitals, and boost SEO β€” with no change to how your page renders. Everything runs client-side for privacy; your code never leaves the browser.

Key Benefits

How It Works

The minifier parses your HTML and removes non-essential characters like spaces, line breaks, tabs, and comments. It also tightens gaps between tags (e.g., > < β†’ ><) while keeping attributes, text content, and semantics intact.

How to Use the HTML Minifier

  1. Paste your HTML into the input area (or load a file).
  2. Click Minify Now.
  3. Review the Clean HTML Output, copy it, or download as a file.

Before & After (Example)

Original

<!-- Hero section -->
<section class="hero">
  <h1>Welcome to WebToolsLab</h1>
  <p>Fast, free, browser-based tools.</p>
</section>

Minified

<section class="hero"><h1>Welcome to WebToolsLab</h1><p>Fast, free, browser-based tools.</p></section>

Pro Tips

When to Use

Working with data too? Try our JSON Formatter or XML Beautifier. Optimizing images? Use JPG to WebP and PNG to WebP.

Frequently Asked Questions

An HTML Minifier removes unnecessary characters from HTML code like whitespace, comments, and new lines to reduce file size.

No, it only removes non-essential characters. The functionality and output of your HTML remain the same.

Yes, WebToolsLab's HTML Minifier is completely free with no usage limits.

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