How to add watermarks to the merged PDF file?

WowTron PDF Merger is a powerful but simple pdf tool which enables users to combine images and pdf files into one single pdf document. It provides users with a quick way to add text or images watermark to pdf in order to protect the copyright properties, here are the detailed steps:

Step 1: Click the button of “Add PDF” or “Add Image” to add pdf files or images to WowTron PDF Merger

Step 2: Click the button of “Option” and then choose “Watermark”, you can add text watermark or image watermark to pdf file.

Step 3: Click the button of “Merge”, choose a folder and input a File name for outputting to complete the process.