How to remove the gray background color from pdf images?

If you want to delete the gray background color of a PDF image, you can try using a PDF editor. The specific steps are as follows:

1. Download and install the PDF editor on the computer, then open the editor, and open the PDF file to be edited in the editor.

After the 2.PDF file is opened, you need to find the editor's document tool. There are many options in the document tool. Select the background tool.

3. After selecting the background tool, you can see that the background tool has three options: Add, Delete All and Manage. If you delete the background, you can choose to delete all.

4. After clicking Delete All, a pop-up box for deleting the background will pop up in the file. Click Yes in the box to delete the background in the PDF file.