Some test text!

menu
Import form data into PDFkeyboard_arrow_down

Merge Form Data File (FDF) to PDF Forms on Cross-Platform (Core)

To import XFDF into FDF, then merge data from FDF into PDF

// Import form field data from XFDF to FDF
FDFDoc fdf_doc = new FDFDoc(FDFDoc.CreateFromXFDF(xfdf_filename));
fdf_doc.Save(output_fdf_filename);

// Optionally read XFDF from a string
FDFDoc fdf_doc_string = new FDFDoc(FDFDoc.CreateFromXFDF(xfdf_string));

// Merge FDF data into PDF doc
PDFDoc doc = new PDFDoc(filename);
doc.FDFMerge(fdf_doc);

PDF Form fill and form data extraction
Full sample code which illustrates basic FDF merge/extract functionality and full support for FDF (Forms Data Format)

Get the answers you need: Support

close

Free Trial

Get unlimited trial usage of PDFTron SDK to bring accurate, reliable, and fast document processing capabilities to any application or workflow.

Select a platform to get started with your free trial.

Unlimited usage. No email address required.

Upcoming webinar: How to add document collaboration to your app

Learn More
close