Developed by NIKON (comes with camera)
ViewNX is an easy tool to view JPEG, TIFF and NEF files, and edit or convert NEF/RAW files. Integrates with Capture NX to adjust white balance and exposure in the browser.
Quick editing of NEF files: Convert RAW NEF files to JPEG and TIFF formats with ease. You can even adjust white balance and exposure compensation.http://www.nikonusa.com/Nikon-Products/Product/Imaging-Software/NVNX/ViewNX.html#tab-ProductDetail.ProductTabs.TechSpecs