HTML Formatter
Beautify HTML markup
Quick guide
What can HTML Formatter help you do?
Free HTML formatter and beautifier. Paste HTML and turn compact markup into readable indented code in your browser.
Best for
HTML Formatter helps with quick debugging, API data cleanup, format checks, and small code or config tasks without opening an IDE or installing a package.
How to use it
For HTML Formatter, paste the text, code, or configuration into the input area, choose the mode you need, and run it. For large data, test a small sample first.
How to read the result
After using HTML Formatter, the output is kept copy-friendly for docs, code, and config files. When validation is available, fix the reported error location before trusting the final output.
Privacy and limits
When using HTML Formatter, most processing happens in the browser. Do not paste passwords, private keys, tokens, or unmasked production data into any online tool.
For HTML Formatter: Developer tools are for quick inspection and conversion. They do not replace tests, linting, security review, or version control.
Frequently Asked Questions
Does HTML leave my browser?
No. Formatting happens locally in the browser.
Is it a full HTML parser?
It is a practical formatter for common markup, not a validator.