Is the HTML Minifier free?

Yes — the HTML Minifier is completely free, with no account, subscription, signup, or usage limits.

Is my data uploaded or stored?

No. The HTML Minifier processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.

Does the HTML Minifier work offline?

Yes. Once the page has finished loading, the HTML Minifier works without an internet connection.

Which browsers does the HTML Minifier work in?

The HTML Minifier works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.

Does minifying break my HTML?

No. It removes only insignificant whitespace and comments. Content inside your tags is preserved.

Are conditional comments removed?

No. Internet Explorer conditional comments ( ) are intentionally kept, since they carry meaning.

HTML Minifier

Minify HTML by removing whitespace and comments to reduce file size.

HTML Input

Minified HTML

Output appears here

Runs entirely in your browser. No data is uploaded.

Free browser-based tool · Runs 100% on your device · Last updated July 7, 2026

What is the HTML Minifier?

The free HTML Minifier shrinks HTML file size by removing comments, collapsing whitespace between tags, and trimming redundant spaces. Smaller HTML means faster page loads — useful before deploying static pages or email templates.

→ Reduce HTML size before deploying a static site or landing page.
→ Minify email HTML to stay under provider size limits.
→ Strip comments and whitespace from production markup.
→ Compress exported HTML for faster delivery.
→ Prepare HTML snippets for embedding.

How to Use the HTML Minifier

1 Paste your HTML into the HTML Input box.
2 The Minified HTML panel shows the compressed result.
3 Comments and whitespace between tags are removed automatically.
4 Click Copy or Download to save the minified file.

Key Features

📦
Smaller file size

Removes comments and collapses insignificant whitespace.
🛡️
IE conditionals kept

Conditional comments () are preserved.
⚡
One-step compression

Paste and get minified output instantly.
🔒
No uploads

Minification runs entirely in your browser.

Example Usage

Example Input

<div>
  <!-- header -->
  <h2>Title</h2>
  <p>Some    text</p>
</div>

Example Output

<div><h2>Title</h2><p>Some text</p></div>

Frequently Asked Questions about the HTML Minifier

What is the HTML Minifier?: The HTML Minifier is a free online tool that lets you minify HTML by removing whitespace and comments to reduce file size. It runs entirely in your browser, so there is nothing to install and nothing is uploaded to a server.
Is the HTML Minifier free?: Yes — the HTML Minifier is completely free, with no account, subscription, signup, or usage limits.
Is my data uploaded or stored?: No. The HTML Minifier processes everything locally in your browser. Your input is never uploaded, saved, or shared with any server.
Does the HTML Minifier work offline?: Yes. Once the page has finished loading, the HTML Minifier works without an internet connection.
Which browsers does the HTML Minifier work in?: The HTML Minifier works in all modern browsers, including Chrome, Firefox, Safari, and Edge — no plugins or extensions needed.
Does minifying break my HTML?: No. It removes only insignificant whitespace and comments. Content inside your tags is preserved.
Are conditional comments removed?: No. Internet Explorer conditional comments (<!--[if IE]>) are intentionally kept, since they carry meaning.