Add Bates numbers to PDF is a free online tool that adds Bates stamp to PDF pages. Bates Numbering or Bates Stamping, is commonly used as an organizational method to label and identify legal, business, and medical documents. If you are looking to add Bates numbers to PDF or index legal documents using Bates stamp, then this is your tool. You can control the stamp style, Bates starting number, starting display page, color, and other useful formatting. With this Bates stamp free online service, you can quickly and easily index legal documents using Bates numbering.