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Table of content automatic for PDF


I post this message because i need a functionality but i don’t know how i can do that.

In my application (in Java), I have an export process that take somes pdf file (sometime lot of pdf files) and that concatenate in one file.

This is pretty simple, i use a PdfFileEditor.concatenate(). BUT i would want to genrate a table of content of the files put in this file and put this table in the beginning of this concatenated file.

Do you think it’s possible ? Something already exist ? I need to do that specificly in my code, but how i can ?

Many thanks in advance for your help.

Best regards


While concatenating the PDF documents, you can get page count from every PDF to keep the information about at which specific page number a PDF would end and a particular PDF will start. Once you keep that information, you can use below code example and use your custom headings and saved page numbers to build a TOC in the final resultant document: