Though the PSP (PlayStation Portable) is widely known as a gaming device, the portable console can also be converted into a document reader. To view PDF file on a PSP, users must either download a free document viewer designed for the PSP or a free conversion program that creates digital images of your PDF files. The PSP document viewers are specifically designed for PSPs with custom firmware. If your PSP does not have custom firmware, you will need to convert your PDF files to digital images before you can view them on your device. But how to convert pdf files to digital images? There are many way, the following are some of the ways.

The first method is using the Bookr PDF Viewer for help.
1. Download BookR. This is a program that you will place on your PSP to allow you to view PDF files. See additional resources for a link to download this program.
2. Create a folder on your PC desktop, and extract all of the files from the BookR application into the folder. You can also place any PDF files you want to read in this folder as well.
3. Connect your PSP to your computer via the USB port.
4. Copy the BookR folder into the "Game" folder of your PSP. You will be able to access BookR from the "Game" folder once it has been copied.
5. Start the application in your PSP. To do this,navigate to the "Game" folder, which should be located under "PSP > Games". Click on the BookR icon to launch the application.

Besides, we can also use a PSPPDF Document Reader for help.
1. Download the "PSPPDF" document reader.
2. Double-click on the ZIP file. After your zipping program opens, click the "Extract" button and save the file to your desktop.
3. Connect your PSP to your computer with a USB cable.
4. Go to "Start" and click on "Computer." Locate your PSP in the devices pane and double-click on the device. Next, double-click on the "GAME" folder.
5. Click and drag the "PSPPDF" folder from your desktop screen to the PSP "GAME" folder.
6. Locate the PDF files you want to transfer from your computer to your PSP. Click and drag your PDF files to the PSPPDF folder on your PSP.
7. Disconnect your PSP from your computer.
8. Open the PSPPDF folder on your PSP. Locate and open your preferred PDF file.

if you just want to view your pdf files on your own computer, then you can use the Adobe Acrobat Reader for help, what’s more, you can also use a third party to view pdf file, such as a pdf to dxf converter, after converting, you can use AutoCAD program to view and open PDF files freely. You can also convert pdf to dwg and then AutoCAD program to view and open PDF files.