fop

Convert XSL-FO to PDF

$ fop [input.fo] [output.pdf]

$ fop -xml [input.xml] -xsl [style.xsl] -pdf [output.pdf]

$ fop [input.fo] -ps [output.ps]

$ fop [input.fo] -png [output.png]

$ fop -c [fop.xconf] [input.fo] [output.pdf]

$ fop -fo [input.fo] -v

fop [options] [input] [output]

fop (Formatting Objects Processor) is an Apache project that converts XSL-FO (XSL Formatting Objects) documents to various output formats. It's commonly used for generating PDFs from XML data.
The tool supports transformation pipelines from XML through XSLT to XSL-FO to final output. It handles complex page layouts, tables, and typography.

-fo file

Input XSL-FO file.

Input XML file.

XSLT stylesheet.

Output to PDF.

Output to PostScript.

Output to PNG.

Display in AWT viewer.

Configuration file.

Verbose output.

Debug mode.

Requires Java. Complex layouts may need tuning. Memory usage high for large documents. Font configuration can be tricky.

FOP began as an Apache XML project in 1999, becoming one of the first open source XSL-FO processors. It matured through various versions, with FOP 2.x bringing significant improvements in standards compliance and performance.

xsltproc(1), pdflatex(1), wkhtmltopdf(1), pandoc(1)