Epspdf[tk] is a TeXlua script which converts between PostScript or EPS and PDF. It has both a command-line and a GUI interface.

Using pdftops (from the xpdf command-line utilities) for round-tripping opens up several new possibilities compared to older similarly-named utilities.

See also epstopdf epspdf-extra.

The author is Siep Kroonenberg. The package is Copyright © 2006, 2008, 2009, 2010, 2011 Siep Kroonenberg.