HTML Pretty
HTML formatting makes your code easier to read.
How to useHTML: make code readable.
Paste your code and choose indentation. Your original file stays unchanged. Copy or download the result when you need it.
- 01
Paste code or open a file
UTF-8 HTML file: open it or paste code. Try the Example button first if you like.
- 02
Choose indentation
Choose indentation and click Format code. Any syntax errors appear below.
- 03
Review and save
Copy or download your result. Editing the input clears the previous result.
Start with a simple example.
<main><h1>GreatJIN</h1></main>Click Example above to try formatting it yourself.
Frequently asked questions
Will my HTML execute?
Input and output are displayed as plain code, never inserted as HTML or executed. Opening a downloaded HTML file directly can execute it in your browser.
How is whitespace between tags handled?
The default follows the usual CSS display behavior of HTML elements. Strict mode treats all whitespace as significant. Review the result if custom CSS changes element display behavior.
Are script and style contents formatted?
Embedded JavaScript and CSS formatting is disabled. The tool formats HTML structure and respects whitespace-sensitive elements such as pre.