4dots Free PDF Compress is an easy to use app (or website) that allows users to easily reduce the size of PDF files. This is done by using an algorithm to eliminate redundant data and compress the PDF file, resulting in a much smaller file size without any loss of quality. It is a fast and efficient way to reduce the size of large PDF files and make them more manageable. It is a great tool for anyone who needs to store or share large PDF files as it can significantly reduce their size.
Discontinued The program is no longer updated. The latest version, 2.7.0.0.0, released in March 2013, can still be downloaded from the official website.