PDFtk Free
Free
Windows 10 and 11 · GUI for merging and splitting PDFs and pages · includes PDFtk Server command-line tool
Checked 9 Oct 2001
Plans and prices
PDFtk pricing
PDFtk Server
Free
Command-line tool · commercial redistribution in a commercial product requires a separate license unless the product uses a GPL-compatible license
Checked 9 Oct 2001
PDFtk Pro
$3.99, paid once
Windows 10 and 11 · includes installer download link and license key · includes PDFtk Server command-line tool
Checked 9 Oct 2001
PDFtk Server Redistribution License
$995, paid once
Allows redistribution of an unlimited number of PDFtk Server binaries as part of one distinct commercial product, subject to license terms
Checked 9 Oct 2001