Your tools. Your flow.
Give your HTML some space.
Bring structure back to your markup with clean, adjustable indentation.
Source
One identifier. One of a kind.
Choose a quantity and generate UUID v4 identifiers in one click.
Modified text
Output
Something needs a small fix…
Your HTML stays text: no scripts or live previews are executed.
How to format and indent HTML
Paste the HTML for a page or a fragment, then select an indentation style. The formatter organizes nested elements to make the structure easier to read. Copy the result or download it as an .html file. Your input is handled as text: submitted HTML is never rendered as a page or executed.
Does the formatter run my JavaScript?
No. Script elements in your HTML remain text. Their contents are not executed.
Does this validate HTML standards?
This tool formats markup. Use a dedicated validator and accessibility tests to check standards compliance and page behavior.