Fill PDF Form using FDF by PDF Toolbox

  PDF documents can be created with blank spaces that can be filled in by the users. However, if you do not have Adobe application installed, you can fill PDF form easily. Even if you can fill the interactive PDF form, you need to fill the blanks one by one. If you fill PDF form by FDF file, situation will go different as you can fill PDF from by FDF from command line without any third party software installed. In the following part, I will show you how to fulfill this function by VeryPDF PDF Toolbox.

Get Copy of PDF Toolbox

  • Here I will take the Window version for example. Please download PDF Toolbox Window free. If you need to download Linux or Mac version, please go to corresponding version tab.
  • Once downloading finishes, there will be zip file. Please extract it to some folder then you can check the elements in it. And please find executable file in subfolder bin.

Fill PDF Form by FDF

Usage: pdftoolbox <input files> [options] <-outfile output >

  • When you use this software to fill PDF form by FDF, please refer to the following command line template.
    pdftoolbox sample_fillform.pdf -fillform sample_fillform.fdf -outfile _fillform_withnewdata_out.pdf
    Here sample_fillform.pdf is an example PDF form, parameter –fillform is an order to fill PDF form. sample_fillform.fdf is the FDF file used to fill PDF form. And when you specify the output folder, please input parameter -outfile first.
    Related  Parameters
    -outfile     : specify an output file name
  • -fillform    : fill form fields of a single input PDF file with the data from an FDF/XFDF file. The form fields remain interactive in the result PDF.

Now let us check the filling form effect from the following snapshot. In the output PDF form, there are some fields have been filled by blue fonts.

input PDF and output PDF 

By this function, you can fill PDF from in batch with Adobe software installed, Meanwhile, you can change data easily in FDF file and then fill PDF form by different date. As by this software, you can run the conversion together with other applications like C#, VB, VC and others. And you can also run the conversion from remote procession.

  • After filling PDF from, you can change PDF form to flatten PDF by the following command line.
    pdftoolbox "sample_fillform.pdf" -outfile "_flattenform_out.pdf" –flattenform
    Here the flatten PDF file refers to normal PDF file which can not be filled again. In the next article, I will show details about this function.

During the using, if you have any question, please contact us as soon as possible.


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