First of all, Adobe Reader is just a tool for reading e-books. You should use other tools to remove it. Pdf Watermarking: Summarize several methods, which one do you think is better? First,

1 Use Chinese version of Acrobt Professional v7.0 to open the PDF file; 2 Document → Add watermark and background: 2. 1 Select "Add background (it looks at the bottom of the page)"; 2.2 Select "From Text" for "Source" and enter the text content at will. It is important to set the font color of the input text content to white. 2.3 Default values can be used for other options. 2.4 Click OK. Acrobat will pop up a warning box and click OK again. Take a look. Is the watermark in the PDF file invisible? ! Second,

Use the advanced editing tool of acrobat 7.0->; Decorative tool

Method 1:

Zoom out the view so that the mouse can select the watermark object.

Then change the watermark object into achromatic strokes and save it directly.

The new pdf no longer displays watermarks (because it has no color strokes). Third,

The font of that watermark object (suppose NewRoman) is chan to a system font (e. g. Tohima),

Then delete all such objects (acrobat cannot delete such objects unless it is changed to a system font).

Just save it again. Pdf has become very large, and it is smaller than the original one if it is saved optimally. Fourth,

You can use Foxit PDF editor to modify it

Method:

Step 1: Double-click the watermark.

Step 2: Right-click the watermark and select Image Edit.

Step 3: At this time, you can erase the watermark.

Step 4: Archive the software provided here: foxit PDF Editor 2.0 build101Chinese green version is not bad!

Delete PDF watermark, navigation arrow

Tel 2008- 12-7 22: 10

1. When reading a pdf document, you often encounter the background watermark on the paper, which sometimes appears messy, or you often copy the contents of the watermark when you want to copy a few lines of text. The solution is as follows: Open the PDF file with Acrobt Professional, select Tools → Advanced Editing Tools →Touchup Object Tool, select watermark and delete. (Sometimes it may not be the Touchup object tool to be deleted, but the previous steps are the same. ) 2. Some PDF documents will have navigation arrows, and when you click on the document, you will automatically zoom in or jump to another page, especially when you look at the data tables of some chips (mostly Philips). The solution is as follows: View->; Navigation label-> Article, delete the content. The above methods are all aimed at PDF documents without passwords. If there is a password, you can find software to crack it. There are many such softwares on the Internet, such as advanced pdf password recovery and PDF password cracking.