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🧱 Free Developer Tool

HTML Minifier Online Free

Minify HTML code instantly. Remove comments, extra spaces and line breaks to reduce HTML file size directly in your browser.

✅ Free to use⚡ Instant minify🧱 Safe mode📱 Mobile friendly
Optimization Status Paste HTML and click Minify HTML

Original HTML

Minified HTML

Choose how HTML comments should be handled.
Update output while typing.
Safe mode protects script, style and textarea content.
0Original Bytes
0Minified Bytes
0%Reduction

How to Minify HTML

Compress your HTML code in three simple steps.

1. Paste HTML

Enter the HTML code you want to compress.

2. Choose options

Select comment handling and safe minification mode.

3. Copy output

Minify and copy your optimized HTML instantly.

Optimize HTML files for faster web pages.

This HTML Minifier helps developers reduce page size by removing unnecessary whitespace, comments and formatting while keeping the page structure intact.

You can remove comments, keep conditional comments, protect script, style, textarea and pre content with safe mode, or use aggressive optimization when needed.

✅ Minify HTML online
✅ Remove comments and extra spaces
✅ Reduce page file size
✅ Works directly in your browser

What is an HTML minifier?

An HTML minifier removes unnecessary characters from HTML code, including comments, repeated spaces and line breaks, to make the file smaller and easier to deliver.

Safe minification keeps page structure intact while reducing file size for production websites.

When should you use it?

  • Compressing HTML before publishing a page
  • Reducing page file size
  • Cleaning production HTML output
  • Testing HTML optimization workflows
  • Preparing compact HTML snippets

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HTML Minifier FAQ

Common questions about HTML compression and minification.

What is HTML minification?

HTML minification removes unnecessary spaces, comments and line breaks to reduce file size.

Will minifying HTML break my page?

Safe minification should keep your HTML structure working while making the code smaller.

Does this HTML Minifier upload my code?

No. This tool runs directly in your browser without a backend.

Is this HTML Minifier free?

Yes. This online HTML Minifier is free to use.

Can I keep conditional comments?

Yes. You can choose to keep conditional comments when they are needed for compatibility.

What is safe mode?

Safe mode protects script, style, textarea and pre content while still minifying surrounding HTML.

What does aggressive mode do?

Aggressive mode may remove some default type attributes and compact self-closing tags in addition to normal minification.

Does it work on mobile?

Yes. You can minify HTML on desktop, tablet and mobile browsers.

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`;minifyHTML(); }function clearTool(){ document.getElementById("inputHTML").value = ""; document.getElementById("outputHTML").value = ""; document.getElementById("mainStatus").textContent = "Paste HTML and click Minify HTML"; document.getElementById("status").textContent = ""; updateStats("", ""); }let minifyTimer = null;document.getElementById("inputHTML").addEventListener("input", function(){ if(document.getElementById("autoMode").value === "on"){ clearTimeout(minifyTimer); minifyTimer = setTimeout(minifyHTML, 250); }else{ updateStats(document.getElementById("inputHTML").value, document.getElementById("outputHTML").value); } });document.getElementById("autoMode").addEventListener("change", function(){ if(document.getElementById("autoMode").value === "on" && document.getElementById("inputHTML").value.trim()){ minifyHTML(); } });document.getElementById("commentMode").addEventListener("change", function(){ if(document.getElementById("inputHTML").value.trim()){ minifyHTML(); } });document.getElementById("safeMode").addEventListener("change", function(){ if(document.getElementById("inputHTML").value.trim()){ minifyHTML(); } });updateStats("", "");