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About HTML Beautifier Online
This tool takes any HTML — minified, jumbled together, or just messy — and produces clean, well-indented, properly-spaced output. Each tag gets its own line where appropriate, attributes line up neatly, and indentation reflects the nesting depth.
Useful for understanding compressed production HTML, presenting markup in documentation or tutorials, cleaning up generated HTML before committing to git, or normalising output from multiple contributors with different code-style preferences.
The beautifier handles self-closing tags, inline vs block-level elements, preformatted content (<pre>, <textarea>, <script>), and modern HTML5 features. Choose indent style (spaces vs tabs) and width to match your team's conventions.
How to use this tool
How to pretty-print compressed or pasted-together HTML
Paste the HTML
Drop the minified or single-line HTML into the "HTML" field. Whole documents (with `<!doctype>`) and standalone fragments are accepted; comments and inline `<script>` / `<style>` content pass through unchanged.
Press Run
Result returns a single `formatted` field with 2-space indentation, one tag per line at structural breakpoints, and attributes kept on the same line as their tag. Long lines aren't auto-wrapped — selectors-in-class and `srcset` values stay intact.
Where it differs from `html-formatter`
Functionally these two tools are interchangeable for everyday work. This one is named for users searching "HTML beautifier"; pick whichever feels more obvious. The output is the same shape.
After beautifying
For deployable HTML, run the result back through a minifier (e.g. an htmlmin in your build chain). The beautified form is meant for reading and code review, not for shipping over the wire.