Need to resize your partition without loosing data ? here is a tool named IM-Magic Partition Resizer Pro which can do it for you. This tool costs around $50 normally but you can get this for free for limited time. 2016 Spring giveaway from the IM-Magic offers Partition Resizer Pro for al users.
Resize (shrink, expand) any partitions with out any data loss.
Supports bot NTFS and Fat file systems
Other basic partition operations such as Create, Format, delete partitions
Support WinPE and portable Edition
Resize partition for Windows 10
Copy disk&partition for backup
Erase private data permanently
Convert MBR to GPT
Support to up to 16TB disk
Here is a quote from the product page
Power failure during the process of changing partitions? Changing partition cancelled during applying? No problem, your hard disk data and Windows OS will stay 100% safe as before.
To get a free full version license of IM-Magic Partition Resizer Pro
Visit the giveaway page and download the zip file. Copy the code displayed on the page and use it to activate the product.
Remember the key should be activated before April 9, 2016
If you have missed this offer, you may also try the FREE version of the partition manager Partition Resizer FREE from here