Free PDF Compressor removes duplicate PDF objects, optionally takes advantage of new compression features of latest PDF specifications that for many classes of documents compresses 30 - 60% better than what is possible in PDF 1.5. Free PDF Compressor allows you to shrink PDF file by using Flate or RunLength compression algorithm. With this freeware, you are able to set the compression level to generate PDF files of smallest size.

Convert PDF file between different versions for compatibility purpose. Every PDF file is generated or produced according to a specification. This specification has evolved from version 1.0 to version 1.6. Sometimes you are faced with the dilemma that a certain application only recognizes a specific version of PDF file. This freeware utility enables you to convert PDF files between different versions.