# xml format > Format an XML document. > More information: . - Format an XML document, indenting with tabs: `xml format --indent-tab {{path/to/input.xml|URI}} > {{path/to/output.xml}}` - Format an HTML document, indenting with 4 spaces: `xml format --html --indent-spaces {{4}} {{path/to/input.html|URI}} > {{path/to/output.html}}` - Recover parsable parts of a malformed XML document, without indenting: `xml format --recover --noindent {{path/to/malformed.xml|URI}} > {{path/to/recovered.xml}}` - Format an XML document from `stdin`, removing the `DOCTYPE` declaration: `cat {{path\to\input.xml}} | xml format --dropdtd > {{path/to/output.xml}}` - Format an XML document, omitting the XML declaration: `xml format --omit-decl {{path\to\input.xml|URI}} > {{path/to/output.xml}}` - Display help for the `format` subcommand: `xml format --help`