Star PDF Watermark for Mac is a batch PDF watermarking software for Mac, you can fast add text or image watermark to every page of a Acrobat PDF file, such as add signatures, company name or company logo to protect you PDF file copyright. The Unique function of Star PDF Watermark Ultimate Version is you can batch add mutli text and image layers watermarks to PDF files. With Star PDF Watermark program's smart user interface, we maximize the easiest operations of using the free watermark program, such as Drag and Drop pdf files to the software to add source files, and Double Click watermark templates or source file to edit template or preview the result watermarking pdf. With the PDF watermarking software, you could digitally sign your pdf file or document and claim and maintain the recognition you deserve. With the batch watermarking pdf program, You could build your company brand, by having your company logo on all your pdf files. Avoid the surprise of seeing your work elsewhere on the web or in an ad. Add copyright on pdf files. With Star PDF Watermark for Mac(PDF Stamp software), you could add Rotation, Transparency, Text Size, Text Color, Position, Text Shadow and so on to your pdf document, and you can add image stamp to your pdf files with Position, Rotation and Transparency. Star PDF Watermark could batch stamp pdf files with selected watermark template after you add files from toolbar "Add Files" button or drag files to software interface. You could double click one template to edit watermark template to create yourself watermarking.