Node Connectivity
There are 1567 nodes that can be used as predessesor
for a node with an input port of type 
org.knime.core.node.port.AbstractSimplePortObject.
Unlock PDF Forms Modern UI
Remove read-only property from form fields
Extract Header Modern UI
Grabs all JS from a PDF and returns a single JS file with all code
Replace and Invert Color Modern UI
Replace-Invert Color PDF
Repair PDF Modern UI
Repair a PDF file
Remove Blank Pages Modern UI
Remove blank pages from a PDF file
Process PDF With OCR Modern UI
Process a PDF file with OCR
Flatten Modern UI
Flatten PDF form fields or full page
Extract Images Modern UI
Extract images from a PDF file
Extract Image Scans Modern UI
Extract image scans from an input file
Decompress PDF Modern UI
Decompress PDF streams