Can I paste a fragment instead of a whole page?

Yes, and that is the common case. A tool that runs your input through a document parser would wrap a bare table row in html, head and body and hand you back something you never wrote. This one treats the input as text, so a fragment stays a fragment.

Does it touch my inline CSS or JavaScript?

No. Anything inside script and style is copied through exactly as written. Those are different languages with their own rules - a stray brace or a template string containing a closing tag would break under an HTML-shaped edit, so this tool does not attempt one.

Why is my output still on one long line?

Most likely the content sits inside pre, textarea, script or style, which are preserved verbatim. Long attribute lists also stay on their tag line: breaking inside a tag is legal but makes diffs noisier without making the structure clearer.

Is my HTML sent anywhere?

No. The whole thing runs in the page, so nothing is transmitted and nothing is stored. Markup from a private project often carries internal URLs, keys in data attributes and comments nobody meant to publish, and none of it needs to leave your machine to be indented.

HTML Formatter and Minifier - Beautify or Shrink

Tools / / Dev Tools / Formatters / HTML Formatter

HTML formatter and minifier

Indent

Your HTML

<div class="card"><h2>Title</h2><p>Text <b>bold</b></p></div>

What this tool does

Two opposite jobs on the same text. Formatting adds line breaks and indentation so a human can follow the nesting; minifying removes everything a browser does not need. Both here work on the characters you gave, not on a rebuilt document, so what comes out is still your markup.

How to use it

1 Paste the HTML - a whole page or just a fragment.
2 Pick your indent, then choose Format or Minify.
3 Copy the result, or run it through the other button to compare.

Whitespace is not always noise

Between two inline elements a single space is visible text: remove it and "one two" becomes "onetwo". Between block elements the same space means nothing. The minifier here drops indentation but keeps a separating space where one is doing real work.

Why pre and textarea are left alone

Inside these, every space and newline is content the reader will see. Re-indenting a code block would silently change what it displays, and trimming a textarea would change the value a form submits. The same goes for script and style: their contents are another language and are passed through untouched.

It formats, it does not repair

Tools built on the browser parser quietly fix broken markup: they close your tags, drop stray ones and move elements into places the spec demands. That is often not what you want when you are debugging - the bug you are chasing may be exactly the thing that got repaired. This one reformats the text and leaves the mistakes where you can see them.

Minifying HTML is the small win

Stripping whitespace from a page usually saves a few percent, and gzip on the server would have compressed most of it anyway. The real weight is in images, fonts and scripts. Minify HTML because a template generator left the output unreadable, not because you expect the page to get much faster.

HTML formatting - frequently asked questions

Formatting can, in one specific case: adding line breaks between inline elements introduces a space that was not there. If a layout depends on two spans touching, format the surrounding block but leave that line alone. Minifying is designed to avoid the reverse of the same problem.

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