HTML Minifier

Minify and compress HTML code offline instantly. Strip comments, collapse whitespace, and compress inline styles and scripts safely.

Raw HTML Code Input

<!-- Sample HTML Comment -->
<!DOCTYPE html>
<html>
<head>
    <style>
        body {
            background-color: #ffffff;
            color: #333333;
        }
    </style>
</head>
<body>
    <h1 class="title">  Hello World!  </h1>
    <script>
        // Sample JavaScript block
        console.log("Welcome to AsheeshKG.com HTML Minifier!");
    </script>
</body>
</html>

Minification Options

Remove HTML Comments Collapse Whitespace Minify Inline CSS Minify Inline JavaScript Collapse Boolean Attributes

Minified HTML Output

Original Size

0 B

Minified Size

0 B

Savings

0 B

Ratio

What is HTML Minification?

**HTML Minification** is the process of removing unnecessary characters from HTML source code without altering its functionality. This includes stripping developer comments, deleting carriage returns, tabs, and duplicate spaces, shortening boolean attributes, and minifying inline stylesheet rules and JavaScript execution codes. By shrinking raw page payload sizes, minification helps browsers fetch, download, and render web layouts much faster, significantly improving Largest Contentful Paint (LCP) and Cumulative Layout Shift (CLS) metrics.

This tool performs all minification logic securely inside your browser. No files or codes are uploaded to external databases, preserving strict data confidentiality.

Frequently Asked Questions (FAQ)

Does HTML minification break websites?

Generally, safe HTML minifiers do not break website structures. However, aggressive whitespace collapsing can sometimes run inline words together if spacing tags are missing, or disrupt spacing inside pre-formatted blocks like `<pre>` or `<code>`. This tool automatically protects `<pre>`, `<code>`, `<textarea>`, `<script>`, and `<style>` blocks to ensure safety.

What is the difference between minification and compression?

Minification removes redundant source characters at development-level (like formatting spaces and comments). Compression (such as Gzip or Brotli compression) is handled at server-level and uses mathematical algorithms to compress the files into binaries for network transfer. For the absolute fastest page load speeds, you should use both minification and server compression.

Are inline scripts compressed?

Yes, if you check the "Minify Inline JavaScript" and "Minify Inline CSS" checkboxes, the minifier will parse style blocks and script content, stripping block comments, line comments, and collapsing unnecessary whitespace layout gaps.