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Tools / Developer / HTML Formatter

Developer tool

HTML Formatter

Format HTML with readable indentation for cleaner templates and easier debugging.

Step 1

Paste input

Add your content in the input editor.

Step 2

Run tool

Process instantly with in-browser logic.

Step 3

Copy output

Export clean results to your project.

All-time runs

Live traffic

30-day success

Reliable processing

Average speed

Fast avg

⚡ Runs instantly in your browser. No files are uploaded.

Input

Output

Ready.

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About HTML Formatter

HTML generated by server-side frameworks, CMS exports, or JavaScript-rendered crawlers often arrives as long unbroken lines impossible to read or diff. This HTML formatter parses the markup and re-indents it by nesting level so the document tree is visually clear. Inline script and style blocks are also formatted. The tool does not change attribute values, restructure the DOM, or add elements — the browser renders formatted output identically to the input. It is used by developers reading CMS-exported pages for str...

Runs locally in your browser. The text you enter is not uploaded to CodeStorms.

→ Beautify a minified server response to identify a missing tag or misplaced element. → Expand a CMS-exported HTML file to understand its template structure before modifying it. → Format HTML received from a scraper or API before parsing it with a DOM library. → Prepare a legacy HTML page for a readability review before a planned refactor.

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Guide

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Guide

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📦 Supported formats 1 file types

HTML

❓ Frequently asked questions 3 answers

No. Only whitespace is adjusted. The rendered output in a browser will be identical.

Yes. Inline <script> and <style> blocks are also formatted and indented.

Yes, complete HTML documents including DOCTYPE and head/body tags are supported.