1. Install Adobe Acrobat software on your computer, then use this software to open a PDF file, and select the "Export PDF" function option on the right side of the software function page.

2. Select "Image" as the PDF export format, then select the image format, select the "Export all images" check box, and then click the "Export" button.

3. Select the storage location of the exported image, and then click the Save button.

You can see that the software is outputting the picture files in the document, and we wait patiently for the progress to be completed.

You can see that all the pictures in the PDF file have been exported to the specified location on your computer.

Pdf (abbreviation pdf(portable document format, meaning "portable document format") is a file format developed by Adobe Systems, which is used to exchange files in a way that is independent of applications, operating systems and hardware. PDF file is based on PostScript language image model, which can ensure accurate color and accurate printing effect on any printer, that is, PDF will faithfully reproduce every character, color and image of the manuscript.

Portable document format is an electronic file format. This file format has nothing to do with the operating system platform, that is, PDF files are common in Windows, Unix and Apple's Mac OS operating systems. This feature makes it an ideal document format for electronic document distribution and digital information dissemination on the Internet. More and more e-books, product descriptions, company announcements, online materials and emails are using PDF files.