NXPowerLite can reduce the size of your PowerPoint files by as much as 95%. It\'s
fully customizable, allowing you to balance compression and quality. This free, fully functional trial version will compressup to 10 presentations.
Downloads: 55860 - Shareware - Download Now

RarZilla Free Unrar is a free tool to quickly decompress RAR-archives. It supports spanned archives. This tool features right-click shell integration, drag`n`drop etc. To speed the whole process up, you can define a default output folder/password.
Downloads: 60669 - Freeware - Download Now

This software offers a solution to users who want to convert one or many RAR files into ZIP files. The user chooses the file/s or an entire folder to be processed and selects an output folder before starting the conversion.
Downloads: 40167 - Shareware - Download Now

Understandable on a hunch, ReaConverter makes image conversion and oft-recurring picture editing simple for you.
Downloads: 48447 - Shareware - Download Now

Reduce the file size of JPEG, GIF, TIFF, PNG, BMP and EMF images, pictures and photos by up to 98% while retaining the quality. The optimized photos are much smaller, ideal for sharing on Facebook, Flickr etc. or e-mail. No zipping necessary.
Downloads: 29657 - Shareware - Download Now