HTML Minifier

HTML Minifier strips whitespace, comments, and redundant attributes from your HTML to reduce file size and improve page load speed. Paste any HTML snippet or full document, configure minification options, and get clean, compressed output instantly — no build tools or npm packages required.

Configuration

Content

Tool Title

Tool Subtitle

Input Placeholder Text

Output Panel Label

Stats Bar Label

Copy Button Label

Download Button Label

Minify Button Label

Clear Button Label

Design

Accent Color

Panel Background Color

Output Area Background

Output Text Color

Panel Border Radius (px)

Layout

Layout Style

Editor Height (rows)

Minification Options

How to Use

1. Paste your raw HTML into the input field and choose which minification options to enable (whitespace removal, comment stripping, attribute quoting). 2. Adjust advanced settings like collapsing boolean attributes, removing optional tags, and setting the output theme. 3. Preview the minified result in the output panel to verify correctness. 4. Copy the minified HTML to clipboard or download it as an .html file.

Why Use This Tool?

Minifying HTML directly in the browser saves you from setting up Webpack, Gulp, or PostHTML just to compress a single file or template snippet. This tool handles the most impactful optimizations — whitespace collapse, comment removal, and attribute cleanup — covering 90% of real-world use cases without a single dependency or login.

Frequently Asked Questions

What is the HTML Minifier?

The HTML Minifier is a browser-based tool that removes unnecessary whitespace, comments, and redundant markup from HTML code, reducing file size without changing how the page renders or behaves.

Will minifying HTML break my JavaScript or inline event handlers?

No — the minifier collapses whitespace between tags and inside text nodes carefully, preserving content inside <script>, <style>, and <pre> blocks unchanged. Inline event handlers like onclick are preserved exactly as written. However, if your JS relies on specific whitespace inside text nodes for layout logic, review the output before deploying.

Is it free?

Yes — the HTML Minifier is completely free with no signup required. Built by the CanvasBuilder.co team.