No specific info about version 3.1. Please visit the main page of WorkinTool File Compressor on Software Informer.
Compress and e-mail files and folders using RAR and ZIP archive formats.
Free Video Compressor is a free and lightweight video compression tool.
Use Less, Sass, Compass, and CoffeeScript tools more efficiently.
It is a tool which compresses HTML files by removing unnecessary tags.
Easy and convenient conversion of WAV audio files.
With this program you can create your own web catalogs and large sites.