Do you need to convert image to encrypted PDF document to keep the PDF safer? If so, please have a try of the command line application ImagePDF Image to PDF Converter which has the ability to convert various kinds of image formats like TIF, JPG, GIF, PNG, BMP, PSD, WMF, EMF, PDF, PCX, PIC, etc.to PDF with easy operations.
How to encrypt PDF document?
Encrypt PDF with open password: The open password can protect the PDF document from being opened freely by those who don’t have the authority.
Encrypt PDF with owner password: The owner password can protect PDF document from being freely copied, printed, modified, etc. with different kinds of permissions.
How to convert image file to encrypted PDF document?
Please free download ImagePDF Image to PDF Converter and then unzip the ZIP file to some location of your computer. The executable file img2pdf.exe in the folder will act as the called program for the conversion.
Before using the command line, please read the txt document readme.txt in file folder to see the usage and option of the application. For encrypting PDF document, you can use the option –openpwd and –ownerpwd. The option –encryption <int> is to set restrictions for the PDF document.
Please refer to the following template to write your command line:
img2pdf [options] <Image-file> [<PDF-file>]
The following command line examples will help you understand this conversion better:
img2pdf –openpwd 123 C:\input.jpg C:\output.pdf
img2pdf –ownerpwd 456 C:\in.bmp C:\out.pdf
img2pdf –openpwd 112 –ownerpwd 223 -keylen 2 -encryption 3900 C:\A.gif C:\B,pdf
The first command line is to convert image of JPG to encrypted PDF by open password.
The second command line is to convert image of BMP to encrypted PDF by owner password.
The last command line is to convert GIF to PDF with open and owner PDF password and set restrictions as denying anything with the option –encryption 3900. The option –keylen 2 is to set 128 bit RC4 encryption.
After converting image file to PDF with encryption, are you interested in this command line application? If so, click the following button to free download Image to PDF Converter.
