Many friends usually add watermarks when sharing and exchanging the content of documents in pdf format. Adding watermarks to pdf documents can prevent others from forging documents, which can greatly improve the security of documents. When you mark the ownership on the document or do not want to be copied, the watermark plays a very important role, so what is the pdf watermarking method? Now let me introduce to you  

     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

     How to add watermark to pdf? The above has introduced the problem of adding watermark to pdf. When you add watermark to pdf above, you can refer to the above method to do it. In fact, the operation is not that complicated.