HTML Formatter
Format and indent HTML for easier reading and editing.
An HTML formatter re-indents your HTML so tags and their nesting are visually clear, making markup easier to read and edit.
How to Use the HTML Formatter
- Paste your HTML. Enter the markup to format.
- Copy the result. Get the indented, readable HTML.
This tool processes your input locally in your browser. Nothing is uploaded.
What Is HTML Formatter?
Formatting HTML makes your markup structure visible, which helps with debugging, collaboration and maintenance.
Why format HTML?
Indented HTML clearly shows the parent-child relationship of elements, making it easier to spot unclosed tags and keep markup maintainable.
Key Features
- Element indentation
- Readable output
- Copy or download
Examples
- Nested divs appear on separate indented lines.
Common Use Cases
- Editing templates
- Debugging markup
- Learning HTML
Tips & Best Practices
- Format before minifying for production.
Limitations
- Inline scripts and very large documents may not format perfectly.
Related Tools
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JSON Formatter – Complete Guide & Free Online Tool A JSON formatter takes minified or messy JSON and reformats it with clean indentation so it is easy to read. It also validates your input and shows meaningful errors when the JSON is invalid. Free online tool included. Read guide → JSON Minifier – Complete Guide & Free Online Tool A JSON minifier strips all unnecessary whitespace from your JSON, producing a compact form that is smaller and faster to transfer while remaining valid. Free online tool included. Read guide → XML Validator – Complete Guide & Free Online Tool An XML validator checks that your XML is well-formed, ensuring every opening tag has a matching closing tag and elements are correctly nested. Free online tool included. Read guide → CSS Minifier – Complete Guide & Free Online Tool A CSS minifier removes comments, extra whitespace and redundant characters from your stylesheets, shrinking file size for faster page loads. Free online tool included. Read guide →
Frequently Asked Questions
What does an HTML formatter do?
It re-indents HTML so tags and nesting are easy to read.
Is it free?
Yes, and it runs locally.