HTML Minifier

Compress your HTML code by removing whitespace and comments.

100% Local Processing

About the HTML Minifier

HTML minification removes selected comments and whitespace from source code to make a smaller string. This tool performs that cleanup locally in your browser while preserving content in areas where whitespace can matter; test the result because no lightweight cleaner can understand every template or markup edge case.

How to minify HTML

  1. Paste the HTML source into the input panel.
  2. Run the minifier and compare the output with the original structure.
  3. Test the result in the target page before deploying it, especially around preformatted or template-sensitive content.

Examples and worked results

Whitespace and comment cleanup

Input
<div>  Hello <!-- note --> </div>
Result
<div>Hello</div>

Whitespace-sensitive elements such as pre, textarea, script, and style are preserved by the implementation.

A lightweight browser cleaner

The tool removes ordinary HTML comments and collapses safe whitespace outside elements where text spacing can be meaningful. It is designed for quick inspection and small snippets rather than as a replacement for a full build pipeline.

Common use cases

  • Inspecting the size impact of markup cleanup
  • Preparing a small static snippet for embedding
  • Learning which whitespace is meaningful in HTML

Important notes and limitations

  • Minification cannot fix invalid markup or understand every server-side template language.
  • Always test the result with real content; whitespace can affect inline layout and text rendering.

Frequently Asked Questions

Can I use the output in production?

Treat it as a lightweight cleaner and test the result before release, especially when your markup includes whitespace-sensitive content, templates, or unusual syntax.