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HTML Minifier

Minify HTML markup by stripping comments and redundant whitespace.

Web Developer Tools

HTML Minifier

INPUT HTML CODE0 chars
PROCESSED HTML RESULT
Result will appear here...
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Tool Documentation & Architecture

About HTML Minifier

The HTML Minifier compresses HTML documents and template files by removing extra spaces, line breaks, HTML comments, and redundant attribute quotes to decrease page payload size and speed up server response delivery.

Step-by-Step Guide

How to Use HTML Minifier

1

Step 1

Paste your full HTML document or snippet into the editor.

2

Step 2

Configure comment removal and whitespace stripping options.

3

Step 3

View the compressed output on the right.

4

Step 4

Click "Copy HTML" for production deployment.

Industry Scenarios

Practical Use Cases for HTML Minifier

Static Site Generator & Production Deployments

Compress static HTML files for Astro, Next.js, Hugo, and Jekyll static sites before uploading to CDN hosting.

HTML Email Template Size Optimization

Keep HTML newsletter email sizes under the 102 KB Gmail clipping threshold to prevent emails from being truncated.

Sample Data & Transformation

Input & Output Examples

Minifying HTML Page Structure

Input Sample:
<!-- Navigation -->\n<nav class="menu">\n  <a href="/home">Home</a>\n</nav>
Processed Result:
<nav class="menu"><a href="/home">Home</a></nav>
Technical Capabilities

Key Features & Performance

  • Strips HTML comments, redundant spaces, and blank newlines.
  • Option to preserve or remove conditional comments (<!--[if IE]>).
  • Minifies inline <style> CSS and <script> JS blocks simultaneously.
  • Live byte size and compression percentage metrics.
  • 100% Client-Side memory execution guarantees data privacy.
  • 1-Click Copy minified HTML.
Technical Glossary

Key Terminology & Definitions

Gmail 102 KB Clipping Limit

A restriction in the Google Gmail client that automatically truncates email messages exceeding 102 kilobytes in HTML size with a "Message clipped" link.

Whitespace Collapsing

The standard HTML rendering behavior where multiple contiguous whitespace characters (spaces, tabs, newlines) are treated as a single space.

Frequently Asked Questions (PAA)

HTML Minifier FAQs

No. The minifier respects inline elements and preserves necessary single-space word boundaries between text nodes.
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