Advanced client-side HTML beautify and compression tool. Format messy HTML with proper indentation or minify it for production — instantly, privately, and 100% in your browser.
FreeNo UploadClient-Side Only
HTML Input
Drag & drop your HTML file here
or browse files from your device · .html / .htm up to 200 KB
Validating HTML...0%
HTML Processed Successfully
Output
How To Format & Minify HTML
1
Paste or Upload HTML
Enter your HTML code directly in the textarea or drag and drop an .html file from your device.
2
Click Beautify to Format
Press Beautify to restructure your HTML with proper indentation, line breaks, and clean nesting.
3
Click Minify to Compress
Press Minify to strip whitespace, comments, and redundant characters for smaller file sizes.
4
Preview the Result
Review the formatted or minified HTML output in the scrollable preview area with size and line statistics.
5
Copy to Clipboard
Use the copy button to instantly copy the entire processed HTML to your system clipboard with a single click.
6
Download HTML File
Download the result as an .html file directly to your device for immediate use in your projects.
Frequently Asked Questions
The HTML Formatter (Beautifier) takes messy, minified, or unstructured HTML code and restructures it with proper indentation, consistent line breaks, and clean tag nesting. This makes the code significantly easier to read, debug, and maintain for developers.
The HTML Minifier removes all unnecessary characters from your HTML code — including extra whitespace, line breaks, comments, and redundant spaces between tags. This produces a compact version of your HTML that loads faster in browsers, reducing file size by 20-40% on average.
No. The minifier only removes characters that have no impact on how browsers render the page — whitespace between tags, HTML comments, and unnecessary line breaks. Content inside <pre>, <script>, and <style> tags is preserved to prevent breaking functionality.
Yes. The beautifier recognizes <style> and <script> blocks and formats their contents appropriately without altering the actual CSS or JavaScript logic. Inline attributes are kept intact within their respective tags.
When enabled, this option strips all HTML comments (<!-- ... -->) from the output. This is useful for both beautified output (cleaner reading) and minified output (smaller file size). You can disable this if you need to preserve documentation comments.
When enabled during beautification, this option maintains the logical structure of your HTML by keeping related attributes together, respecting inline vs. block element boundaries, and ensuring that <pre>, <code>, <script>, and <style> content is not re-indented, which would break their display.
No, never. All HTML formatting and minification happen entirely within your browser using JavaScript. No data is transmitted, uploaded, or stored on any server. You can verify this by disconnecting from the internet — the tool will still work perfectly.
The tool supports HTML input up to 200,000 characters. This covers the vast majority of real-world HTML files including full web pages, email templates, and component libraries. Larger files may experience slower processing depending on your device.
Typical HTML minification achieves 15-40% file size reduction depending on the original code. Well-formatted HTML with lots of indentation and comments will see higher savings. The tool displays the exact bytes saved after each minification.
Yes. The tool is fully responsive and optimized for mobile browsers. The layout switches to a single-column view on smaller screens, textareas use large touch-friendly controls, all buttons expand to full width on mobile, and the output area scrolls internally to prevent horizontal page scrolling.
All HTML formatting and minification are performed entirely in your browser. No data is uploaded or stored.
Format and minify HTML instantly — clean, optimized, and 100% client-side.
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