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HTML Formatter

Clean up messy HTML with proper indentation, or minify it to the smallest possible size. Paste your code or upload a file, choose your indent style, and copy or download the result — all privately in your browser.

HTML Input
Output

Format or minify your HTML to see the output here.

100% Private & Secure

All HTML processing happens locally in your browser. No data is sent to any server.

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What is the HTML Formatter?

The HTML Formatter is a free online tool that cleans up and reformats HTML code. Paste messy, minified or inconsistent markup and it returns neatly indented, easy-to-read HTML — or compresses readable HTML down to a single minified line. It understands tags, void elements, comments and doctypes, and it carefully preserves the contents of 

,

Beautify Messy HTML in One Click

Pasted code from a CMS, an email builder or a minified page is often a wall of unreadable text. The Format / Beautify action re-indents every element according to its nesting level, putting each tag on its own line so the document structure is instantly clear. Choose 2-space, 4-space or tab indentation to match your project's style, then copy the clean result straight into your editor.

Minify HTML to Cut File Size

When you're ready to ship, the Minify action strips the unnecessary whitespace between tags and collapses redundant spaces in text, producing a compact single-line document that loads faster. Raw blocks like inline scripts and styles are protected so your page behaves exactly the same — just smaller.

Upload, Copy & Download

Work the way you prefer: paste code directly, or upload an .html file by dragging it in. Once formatted or minified, copy the output to your clipboard or download it as a ready-to-use .html file. The two-pane layout keeps your input and result side by side so you can compare them at a glance.

Privacy: Everything Stays Local

The HTML Formatter processes your code entirely in your browser. Nothing is uploaded to a server, stored or logged, which makes it safe to clean up confidential templates, internal pages and client work. When you close the tab, your data is gone.

Free HTML Formatter - Beautify HTML Code Online | ToolSnak

Got Questions? We have you covered

No. The formatter preserves the contents of 
,

Beautify adds indentation and line breaks to make HTML readable. Minify removes unnecessary whitespace to make the file as small as possible for faster loading. You can switch between them anytime.

No. All formatting and minifying happens locally in your browser. Your code is never uploaded, stored or logged, so it's safe for private and proprietary work.

Yes. You can format with 2 spaces, 4 spaces or tabs to match your project's coding standards before copying or downloading the result.

Yes. Switch to the Upload tab and drag in or browse for an .html file. You can then format or minify it and download the cleaned-up version.