PDFZilla PDF Compressor是一款可以对PDF文件减肥的软件，是通过调整显示质量来实现减肥的。本软件同时支持批处理，其最大的特色是可以移除PDF的文件保护。 PDF Compressor is a Windows utility that compresses scanned PDF files and reduces PDF file size from 30 MB to only 8 MB (Compression Ratio: 23%) fast and easily. This tool allows users to change the compressing