HTML Formatter
Beautify or minify HTML instantly. Inline elements stay on the same line; block elements get proper indentation.
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Frequently Asked Questions
What does HTML beautification do?
HTML beautification (formatting) takes compressed or inconsistently-indented HTML and reformats it with proper line breaks and indentation. Block-level elements like div, p, h1 each get their own line. Inline elements like span, a, strong stay on the same line as surrounding content.
How is HTML minification useful?
Minification strips all unnecessary whitespace and HTML comments to reduce file size. Smaller HTML means faster page loads. For production websites, serving minified HTML (combined with gzip compression) is a common performance optimization.
Does formatting change the visual rendering of my page?
No. HTML whitespace between block-level elements is insignificant — browsers ignore it for layout purposes. Formatting only affects how the source code looks, not how the page renders. Minifying HTML should also have no visual effect.
Why do some inline elements stay on the same line?
Inline elements like <a>, <span>, <strong>, <em> are designed to flow within text content. Putting them on separate lines would add visual whitespace in the rendered page (since HTML treats newlines as spaces in inline context). This formatter keeps them on the same line as surrounding text.
Can it format HTML with embedded JavaScript or CSS?
The formatter preserves <script> and <style> block contents but reformats them with consistent indentation. The JavaScript/CSS code inside these blocks is kept as-is. For full script/style formatting, use dedicated JS/CSS formatters.
What's the difference between 2-space and 4-space indentation?
This is purely a style preference. 2-space indentation is common in modern web development (used by Prettier's default settings). 4-space indentation is traditional and more common in older codebases or languages like Python. Choose whichever matches your team's conventions.