Switch Audio File Converter
For your music, presentations, or audio projects, Switch Audio Converter lets you put your music anywhere at any time. Convert music for your iPod, PSP or phone. Compress audio to save hard drive space. Create a ringtone on your phone by converting the format, or even extract audio from video files.
Prism Video File Converter
Your computer might only be able to open certain video file types. Use Prism Video Converter to ensure you'll always be able to watch your videos. With Prism you have complete control over video settings such as compression and encoder rates, resolution, frame rate, and size output. You can also batch convert thousands of files at once and preview videos before conversion.
Pixillion Image File Converter
Pixillion isn't just image conversion software, there are many additional settings to make adjustments to your images while converting including adding watermarks, adjust the image quality, size or resolution, or even crop and rotate photos.
Express Zip File Compression Software
Express Zip is currently the only application on this list that is only available for Windows, but it is an extremely valuable compression tool. Use Express Zip archiving software to create, manage, and extract zipped files and folders. Plus extract files from a variety of other archive formats including rar, cab, iso, tar, and 7z or convert those archives into zip files. You can also easily email zipped files from the program or simply compress files to save disk space.