How protect your image files from being used without your permission?

What will you do if you want to protect your image file from being used without your permission, It is very easy , just turn you image file into  an encrypted one. Then how to turn it into encrypted? It is also very easy, with the software Image to PDF Converter, users can easily turn their image files into encrypted one.Some other information about this software please go to the home page!

Two parameters can help protect your image files, they are: ownerpwd and encryption. In this article, we will introduce main steps on how to protect your image files from being used without your permission. Look at Figure 1, it is the parameters listed in the command usage relating to this command line.


  • First  click here to free download this software to your PC and you will get a zip file which you need to decompress. You will find an application of img2pdf.exe in the folder after decompression.
  • As Image to PDF Converter is a command line product and MS-DOS application, we need to first input the application into the interface. Just click Start-Run and then input cmd into the Open combo box and click OK button.
  • Input the command line according to the command line usage. Then press the Enter button. The command line listed below are the one needed for protect the image files.    C:\Users\sgq\Downloads\img2pdf\img2pdf.exe  -ownerpwd 123 –keylen 2 –encryption 3900   C:\Users\sgq\Desktop\122.tif  C:\Users\sgq\Desktop\1224.pdf 
       In this command line "C:\Users\sgq\Downloads\img2pdf\img2pdf.exe " refers to the path of the application img2pdf.exe; "C:\Users\sgq\Desktop\122.tif " refers to the path of image file; "C:\Users\sgq\Desktop\1224.pdf " refers to the path of generated PDF file. "-ownerpwd 123 –keylen 2 –encryption 3900 " means set the owner password as "123" . Look at the figures listed below, you will see the whole process of this command line.


Image to PDF Converter is such an easy and efficient software that help users protect their image files in just a few seconds. If you want to experience this software, please download the  free trial version, if you are satisfied with this software, please click here to buy the official  version!

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