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Run utility operations instantly with no upload queue for text-based tooling.

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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 a...

→ 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.

Related guides and workflows

Guide

How to Use Base64 Decode Online

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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.