EEPDF Knowledge Base

This article is mainly about how to convert password PDF to image with the command line application EEPDF PDF to Image Converter Command Line.

PDF (Portable Document Format) is widely used in our daily life and work. To read the contents in PDF, you have to install a PDF viewer. But public computers or portable devices may not have a PDF viewer installed. To solve this problem, converting the PDF documents to images that can be opened by common applications will be a good choice.

EEPDF PDF to Image Converter Command Line is a professional application for converting PDF formats to various image formats and make different settings for the output images. The output image formats can be JPG, PNG, BMP, GIF, TIFF, TGA, PCX, PNM, RAS, PBM, etc. What’s more, it is able to convert owner password protected PDF (disable editing, changing, copying, printing, etc.) and user password protected PDF (disable opening) to image.

In the following contents, you will see how to use this application to convert owner/ user password protected PDF document to image.

1. Download and unzip

Please download the package of EEPDF PDF to Image Converter Command Line at first. The downloaded file is a ZIP file, so please unzip it to a folder on your computer disk after the download. In the unzipped folder, you can see an executable file named as pdf2img.exe which is the called program and a TXT document named readme.txt which can be regarded as the user manual of this application.

2. Input commands

This application is MS-DOS oriented, so please open MS-DOS command prompt window in which you are able to input commands. According to the usage of this application, please follow the command line template shown below to input your commands:

pdf2img [options] <PDF-file> <img-file>

Where,

• pdf2img: call the program—pdf2img.exe.
• [options]: set parameters.
• <PDF-file>:specify the path of the input PDF file.
• <img-file >: specify the path of the output image.

For password protected PDF documents, please use the following two options:

• -opw <string> :owner password (for encrypted files)
• -upw <string> : user password (for encrypted files)

For example,

D:\eepdf_pdf2image_cmd\pdf2img.exe -opw 123 -upw 456 F:\sign.pdf E:\sign.png

This example is to convert an owner password and user password protected PDF named sign.pdf to sign.png image.

To run the commands, please press the Enter button on the keyboard.

Several seconds later, you can get the output image in the location that you have specified.

This is the end of this article and you can get full version of EEPDF PDF to Image Converter Command Line here.

The command line application EEPDF PDF to Image Converter Command Line allows you to convert PDF to image (JPG/ PNG/TIFF/GIF) with anti-aliasing on Windows platform.

Anti-aliasing can reduce the prominence of jaggies by surrounding the stairsteps with intermediate shades of gray (for gray-scaling devices) or color (for color devices).

EEPDF PDF to Image Converter Command Line is a powerful application that can convert PDF to various image formats such as JPG, PNG, TIFF, BMP, GIF, TGA, PCX, PNM, RAS, PBM, etc. In addition, it enables to set font anti-aliasing, vector anti-aliasing, and image anti-aliasing for the converted image.

To know how to convert a PDF document to image with font anti-aliasing, vector anti-aliasing, or image anti-aliasing, please do as follows.

Firstly, please free download EEPDF PDF to Image Converter Command Line and unzip the downloaded file to a folder on the computer disk. In the unzipped package, there is an executable file named as pdf2img.exe which is the called program in MS-DOS interface.

Then, please open the MS-DOS command prompt window in which you can input commands.

To know how to input commands to do the conversion, you can read the TXT document named as readme.txt which explains the usage and options in detail.

If you are still confused about the explanation, please refer to the following template to input your commands:

pdf2img [options] <PDF-file> <img-file>

In the above template,

• pdf2img: the called program—pdf2img.exe.
• [options]: set options.
• <PDF-file>: the path of the source PDF file.
• <img-file >: the path of the target image.

To create image with anti-aliasing effects, please try the following three options:

• -aa <string> : enable font anti-aliasing: yes/no.
• -aavec <string> : enable vector anti-aliasing: yes/no.
• -aaimg <string> : enable image anti-aliasing: yes/no.

For example,

D:\eepdf_pdf2image_cmd\pdf2img.exe -aa 10 F:\apple.pdf F:\ apple.png

D:\eepdf_pdf2image_cmd\pdf2img.exe -aaimg 30 C:\new.pdf C:\ new.jpg

The first example is to convert a PDF document named apple.pdf to apple.png image and set the font anti-aliasing as 10.The second example is to convert new.pdf document to new.jpg image and set the image anti-aliasing as 30.

Lastly, please hit the Enter button on your keyboard to run the commands.

This is the end of this article and you can enjoy full version of EEPDF PDF to Image Converter Command Line here.