Developer Tools
Format messy HTML into clean readable markup with indentation and line breaks.
Use this HTML Prettify tool to format raw or minified HTML into a readable structure. It is useful for inspecting copied markup, debugging templates, cleaning generated HTML, reviewing nested elements, and making front-end code easier to scan before editing or sharing.
Use this HTML Prettify tool to format raw or minified HTML into a readable structure. It is useful for inspecting copied markup, debugging templates, cleaning generated HTML, reviewing nested elements, and making front-end code easier to scan before editing or sharing.
Use html prettify when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
Find similar and supporting tools for adjacent actions and follow-up tasks.
Input
<div><h1>Hello</h1><p>World</p></div>
Output
<div> <h1>Hello</h1> <p>World</p> </div>
Useful when copied HTML is all on one line and hard to read.
Input
<ul><li>One</li><li><strong>Two</strong></li></ul>
Output
<ul>
<li>One</li>
<li>
<strong>Two</strong>
</li>
</ul> Makes nested structures easier to inspect before editing.
Fix: Check whether every opening tag has a matching closing tag before formatting.
Fix: Use it mainly for readability. It formats structure, but it is not a full validator.
Fix: Review framework placeholders or server-side template syntax after formatting.
It formats HTML with indentation and line breaks to make the markup easier to read.
Yes. Both names usually mean formatting HTML into a cleaner readable layout.
It should only change formatting and whitespace, not the intended markup structure.
HTML Prettify adds readable spacing and indentation. HTML Minify removes unnecessary whitespace.
Yes. That is one of the most useful cases for this tool.