What does an HTML Formatter do?
An HTML Formatter, also called an HTML Beautifier, adds consistent indentation and line breaks to HTML code so nested elements are easier to read, inspect, and maintain.
HTML Formatter & Validator
Beautify, format, validate, and minify HTML locally in your browser.
How it worksHTML Input
Clean HTML State
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Formatted HTML
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How to format and validate HTML
- Paste your HTML code into the editor or upload an HTML file.
- Review the validation diagnostics and fix any reported HTML syntax or structure issues.
- Select Format to beautify the HTML with consistent indentation and line breaks.
- Use Minify when you need a more compact HTML output with unnecessary formatting whitespace removed.
- Copy the formatted HTML or download it when you are finished.
Common HTML formatting uses
Format website source code, clean up copied HTML, inspect templates, review HTML during development, organize email templates, and make compressed markup easier to understand during debugging or code review.
HTML validation tips
- Make sure elements are properly opened, nested, and closed where required.
- Check attribute names and make sure attribute values are correctly quoted when required.
- Avoid duplicate attributes on the same HTML element.
- Use valid HTML element and attribute names for the document type you are creating.
HTML Formatter FAQ
Can I validate HTML with this tool?
Yes. The HTML editor provides client-side syntax and structure diagnostics while you edit, helping identify issues such as malformed markup, mismatched tags, and other HTML errors.
Is this HTML Formatter free to use?
Yes. You can format, validate, and minify HTML directly in your browser without creating an account.
Is my HTML sent to a server?
No. HTML formatting, editing, and client-side validation are performed locally in your browser. Your HTML is not uploaded or stored by CloudDevKit.
What is the difference between HTML formatting and HTML minification?
HTML formatting makes code easier for developers to read by adding indentation and line breaks. HTML minification removes unnecessary whitespace and formatting to produce more compact HTML.
Can I format HTML with CSS and JavaScript?
Yes. HTML documents can contain style and script elements, and the formatter is designed to preserve embedded CSS and JavaScript while formatting the surrounding HTML.
What is HTML beautification?
HTML beautification is the process of reorganizing compressed or poorly formatted HTML with indentation and line breaks, making the markup easier to understand and edit.
Can I format HTML copied from a website?
Yes. You can paste HTML copied from a webpage, source file, API response, template, or developer tool and format it for easier inspection.
Does formatting HTML change how the page works?
Formatting normally changes whitespace and line breaks rather than the HTML structure. However, whitespace can sometimes be significant in HTML text content, so review the result when exact whitespace matters.
Can I download the formatted HTML?
Yes. After formatting your HTML, you can copy the result or download it for use in your project, documentation, testing, or code review.
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