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<< Click to Display Table of Contents >> Navigation: Gnostice Document Studio .NET > Going Deeper > Document Engines > Working with PDF > Enhancement |
In this section we explore the enhancement of an existing PDF document.
Adding different types of annotations to a PDF document.
Adding a file attachment to a PDF document.
Add a header and footer image to all pages
Adding a header and footer image to all the pages of a PDF document.
Digital sign a PDF document using a private key stored inside a PFX file.
Encrypt (password-protect) a PDF document.
Decrypt a PDF document or remove password protection.
Fill PDF form and flatten fields
Fill various types of form fields, and then flatten the form fields so that they aren't editable anymore.
Merge multiple PDF files into one file.
Split a PDF files into multiple files.
Stitch or overlay a PDF page on to another.
Convert to a ZUGFeRD compatible invoice
Convert an existing PDF invoice into a ZUGFeRD compliant one.