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HTML Formatter & Minifier
Beautify messy HTML with clean indentation, or minify it to shrink the file.
What minifying does: removes comments and the whitespace between tags, and compacts inline CSS. Content inside <pre> and <textarea> is left untouched so it still displays correctly. Formatting uses the open-source js-beautify library, running in your browser.
About the HTML Formatter & Minifier
The HTML Formatter and Minifier beautifies messy or minified HTML with consistent indentation and optional line wrapping, or minifies it to shrink file size for faster pages. It can also strip comments when minifying. It is handy for cleaning up exported markup, reading someone else’s code or preparing HTML for production.
How to use the HTML Formatter & Minifier
- Paste your HTML.
- Choose the indent size and line wrapping.
- Click Format to beautify or Minify to compress, optionally removing comments.
- Copy the result or download it as an .html file.
Frequently asked questions
Does minifying HTML change how the page looks?
No. It removes unnecessary whitespace and comments, which browsers ignore anyway, so the page renders the same but downloads faster.
How much does minifying HTML save?
Typically 10–30% of the file size, depending on how much indentation and how many comments the original had. Server compression such as gzip saves even more on top.
Will it fix invalid HTML?
It tidies the formatting but does not rewrite your markup, so check broken tags or missing closing tags yourself.