PDFtk

PDFtk is a simple tool for doing everyday things with PDF documents.

Free software · pdflabs.com

Open PDFtk in AirStack

What PDFtk’s own pages say

What it says it doesPDFtk is a simple tool for doing everyday things with PDF documents. pdflabs.com
Free planYes pdflabs.com
PlansPDFtk Free, PDFtk Pro, PDFtk Server pdflabs.com
Licensecontinued development of our GPL PDFtk. pdflabs.com

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.