Zoven

HTML Formatter

Format and beautify HTML code online free

What is the HTML Formatter?

The html formatter works like this: it re-indents HTML with block-element awareness, keeping inline elements unbroken and script/style contents untouched. Everything happens on your device - the input never leaves your tab unless the tool clearly states it performs a server-side lookup.

How to use the HTML Formatter

1. Paste the input (code, data or query).
2. Run the operation - formatting and validation are instant.
3. Read any validation message before trusting the output.
4. Copy the result into your project.

Features

• Instant client-side formatting and validation
• No telemetry on your data
• Copy-ready output with proper escaping

Common mistakes to avoid

• Using the wrong input dialect (JSON vs JSON5, cron 5 vs 6 fields)
• Copying output without checking escaping

Examples

Input	Result
Minified one-line HTML	Properly nested, indented markup ready to read

Best used for

• Getting a reliable answer for html formatter without installing an app
• One-off tasks done in under a minute from any device
• Checking results before committing them to something important
• Working on a phone where desktop software is unavailable

Privacy

All parsing and transformation happens locally in this tab - your code and data are not sent anywhere.

Frequently asked questions

Will re-formatting change my page?

Only whitespace. Text nodes and attribute values are preserved exactly; script content is never re-indented.

Why are inline elements never broken across lines?

Re-indenting only block-level structure - putting a line break inside an <a> or <span> adds real whitespace to the rendered page, so inline content is kept intact.

What happens to script and style contents?

They are left untouched as opaque text - their internal layout (minified JS, CSS rules) is preserved exactly rather than being mangled by HTML indentation rules.

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Zoven offers 200+ free browser tools. Browse by category - Calculators, Converters, Generators, Developer Tools and Media Tools - or read workflow guides on the Zoven blog.