# tidy
> Clean up and pretty print HTML, XHTML and XML files.
> Note: `tidy` cannot preserve original indentation.
> More information: .
- Pretty print an HTML file:
`tidy {{path/to/file.html}}`
- Enable indentation, wrapping lines in 100, saving to `output.html`:
`tidy {{[-i|--indent]}} y {{[-w|--wrap]}} 100 {{[-o|-output]}} {{path/to/output.html}} {{path/to/file.html}}`
- Modify an HTML file in-place using a configuration file:
`tidy -config {{path/to/configuration}} {{[-m|-modify]}} {{path/to/file.html}}`