Smaller files, same format
Optimized files stay in the same format, so a JPG remains a JPG even when optimized. It will look and feel identical to the original, just much smaller. See the example below:

Compress Emails
NXPowerLite can automatically shrink your email attachments as they are sent. In Outlook 2010 or later you can also compress attachments on emails you have received.
* We also offer Optemail - a server solution that reduces an organizations inbound and outbound email.
 
How it works
PDF and Microsoft Office files often contain lots of high-resolution images, and background data not required for normal use of the file. NXPowerLite removes this data and excess bytes from internal graphics and standalone JPEGs to radically reduce files to their smallest size - without compromising quality.
One key for Windows or Mac OS
Keys unlock the Windows or the Mac OS versions of NXPowerLite, so your software can come with you if you change platform. Also you can buy multi-user licences without specifying how many of each platform you want up front.