HTML Formatter / Beautifier

Pretty-print messy HTML with indent, wrapped attributes and optional advanced beautify controls — all in your browser.

100% Browser-Based — HTML never uploads to our servers. All processing runs locally in your browser.

Paste HTML

Tip: drag & drop a .html file onto this card, or use Upload below.

Upload HTML

Tool Options

Indent

Mode

Max line length

Preserve comments Sort attributes Wrap long attributes Collapse empty tags Normalize quotes Live format

Tag case (advanced)

Results

Results will appear here…

How It Works

Fast HTML utilities that run entirely in your browser.

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Paste or upload

Paste HTML or upload a .html file. Nothing is uploaded to our servers.

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Process in browser

Parsing and transforms run locally with DOMParser — 100% client-side.

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Copy or download

Export as HTML, TXT, or JSON instantly.

Zero server upload — your HTML stays on your device.

About HTML Formatter / Beautifier

Beautify and format HTML with indent, attribute sorting, comment preserve and advanced options. 100% browser-based — free online tool. Built for developers, SEO, and content workflows with instant copy and export.

FAQs

Is my HTML uploaded?

No. All HTML tools process your content in the browser. FreeConverter servers never receive your HTML.

Is this free?

Yes. FreeConverter.app online HTML tools are free to use.

Do I need an account?

No account or installation is required.