Node Connectivity
There are 81 nodes that can be used as predessesor
for a node with an input port of type 
Stirling PDF Nodes: Configuration.
Optimize PDF Modern UI
Optimize PDF file
Overlay Image Modern UI
Overlay image onto a PDF file
Process PDF With OCR Modern UI
Process a PDF file with OCR
Remove Blank Pages Modern UI
Remove blank pages from a PDF file
Repair PDF Modern UI
Repair a PDF file
Replace and Invert Color Modern UI
Replace-Invert Color PDF
Scanner Effect Modern UI
Apply scanner effect to PDF
Unlock PDF Forms Modern UI
Remove read-only property from form fields
Add Password Modern UI
Add password to a PDF file
Add Watermark Modern UI
Add watermark to a PDF file