A long time ago, I didn't know what a pdf was, and it may even be thankful that many students' computers can open this kind of document. More and more later, pdf is used more and more, and slowly, the demand for pdf is also increasing. The most common situation should be that sometimes people need to add watermarks to pdf files to protect their copyrights. , so as not to be stolen by others. So how to add watermark in pdf? Let me take a look at the specific operation steps!

Step 1: Search www.pdfasset.com in your browser and enter the home page of PDFasset 

 Step 2: Find the "Watermark PDF" function on the home page, and click to enter the file upload page.

 Step 3: Click to upload the PDF file that needs to be watermarked, then select the watermark type, set the watermark format, etc., click "Start Adding", wait a few seconds after the addition is complete, and click "Download" to get the file.

Now more and more documents are made and saved in pdf format. If we also make a pdf file ourselves, adding watermark to pdf is a good way to prevent others from stealing our files. Did everyone learn it?