How to remove comments in PDF using Java

Process

1. Use the Document class to load the PDF document.

2. Use Document.getPages().get_Item(int).getAnnotations().delete() to delete all annotations.

3. Use Document.save to save the updated PDF.

Example

// Open source PDF document
Document pdfDocument = new Document("input.pdf");
 
// Delete all annotation
pdfDocument.getPages().get_Item(1).getAnnotations().delete();
 
// Save the update document
pdfDocument.save("output.pdf");

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