What Is an HTML Minifier?
An HTML minifier reduces the size of HTML documents by removing unnecessary whitespace, comments, optional closing tags, and redundant attributes. This results in faster page delivery and lower bandwidth consumption.
How to Use This HTML Minifier
- Paste your HTML markup into the input field.
- Click “Minify” to minify the HTML.
- Copy the compressed output for your web project.
Key Concepts
HTML minification removes comments, collapses whitespace between tags, removes optional tags (like closing </p> and </li> tags), strips default attribute values, and shortens boolean attributes. Unlike CSS or JS minification, HTML minification must be careful not to alter whitespace-sensitive content within <pre> or <code> elements.
Frequently Asked Questions
Will HTML minification affect my page layout?
In most cases, no. However, inline elements can be affected by whitespace removal between them. Test thoroughly if your layout relies on spaces between inline or inline-block elements.
Which optional tags can be safely removed?
HTML5 allows omitting closing tags for <p>, <li>, <td>, <th>, and several other elements. The <html>, <head>, and <body> tags themselves are also technically optional.
How much size reduction is typical?
HTML minification typically achieves 10-30% reduction, depending on how many comments and how much whitespace your source contains.