In terms of its key features, VeryDOC PDF Page Margin Remover is able to retain minimum margins in output PDF files. It can also determine speckles that are less than a certain number of pixels (default is 20 pixels) and black borders that are less than a certain width (default is 8 pixels). It allows users to set a temporary folder to store temporary files and view processed PDF files automatically. It can process both owner password and user password protected PDF files, as well as all types of PDF files created from scanners, Office, and other applications. It can also remove margins from both color and black and white PDF files, supporting all versions of Adobe Acrobat PDF files and all types of PDF files, including text-based and scanned PDF files.