HTML Formatter
About Tool
Working with minified or poorly structured HTML can drastically slow down your development process. This formatting tool takes unreadable markup and applies proper indentation, nesting, and spacing to produce clean, easily readable source code right in your browser.
Whether you have copied code from a page source, exported it from a visual editor, or are trying to debug a missing closing tag, parsing a wall of raw text is highly inefficient. A properly indented document reveals the DOM structure at a glance, allowing you to focus on logic and design rather than squinting at syntax.
How the Formatter Works
To use the utility, simply paste your unformatted code into the Raw HTML input area. By adjusting the Indentation settings, you can control whether the output uses spaces or tabs, and how deep each nesting level should be. Click the Format HTML button to immediately process the text.
The resulting markup is displayed in the Formatted HTML panel. From there, you can use the Copy Result button to securely transfer the clean code to your clipboard for use in your IDE, text editor, or project pipeline.
Browser-Side Processing
All formatting operations happen locally within your browser. Your markup is not uploaded to our servers, ensuring that any proprietary code, sensitive content, or unreleased templates remain entirely private. This local execution also means the formatting is applied instantly without waiting for a network response.
If your workflow involves optimizing other languages as well, you might find our CSS Formatter useful for stylesheets, or you can clean up your scripts using the JavaScript Formatter.
Frequently Asked Questions
Will this tool fix broken HTML?
The formatter is designed to apply consistent spacing and indentation to syntactically valid HTML. While it can sometimes make structural errors (like a missing closing tag) more obvious by misaligning subsequent elements, it does not automatically rewrite or fix invalid markup.
Does it modify the actual content of the tags?
No. The structural text formatting only affects the whitespace between HTML elements. The actual text content inside your paragraphs, spans, and headings remains untouched to prevent unexpected layout shifts on your live site.
Can I format minified code with this?
Yes. If you have a single, long string of minified HTML, this utility will parse the tags and expand them into a readable, multi-line document with proper parent-child indentation.
What happens if I click Reset?
The Reset button restores the indentation options to their default settings, while the Clear action wipes both the input and output areas so you can begin working on a new snippet.
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