# cmark > Converts CommonMark Markdown formatted text to other formats. > More information: . - Render a CommonMark Markdown file to HTML: `cmark --to html {{filename.md}}` - Convert data from standard input to LaTeX: `cmark --to latex` - Convert straight quotes to smart quotes: `cmark --smart --to html {{filename.md}}` - Validate UTF-8 characters: `cmark --validate-utf8 {{filename.md}}`