DIAG RAW Viewer for Mac OS X and Windows

FastRawViewer is the first and the only dedicated tool specifically designed and developed for extremely fast display, visual and technical analysis, basic corrections, sorting and setting aside or directly transferring for further processing of RAW images.

Full FastRawViewer functionality is provided for all digital cameras listed below.

Both Mac OS X (10.6+) and Windows (7-10, XP, Vista) platforms are supported.

FastRawViewer - Viewer for Diag Raw

Do you have RAW shots from Nikon or Samsung camera(s) in DIAG RAW format

that you have to quickly view, evaluate, and sort?

FastRawViewer is the tool you need.

We offer a fully functional 30-day free trial of FastRawViewer, without requesting any of your personal information

Support for Nikon Cameras that Use DIAG RAW Format


Nikon Coolpix "DIAG RAW"

  • Coolpix 700 / E700
  • Coolpix 800 / E800
  • Coolpix 880 / E880
  • Coolpix 900 / E900
  • Coolpix 950 / E950
  • Coolpix 990 / E990
  • Coolpix 995 / E995
  • Coolpix 2100 / E2100
  • Coolpix 2500 / E2500
  • Coolpix 3200 / E3200
  • Coolpix 3700 / E3700
  • Coolpix 4300 / E4300
  • Coolpix 4500 / E4500
  • Coolpix S6

Support for Samsung Cameras that Use DIAG RAW Format


Samsung Compact, DIAG RAW

  • S85
  • S850

For a detailed list of currently supported cameras, devices, and RAW file extensions

please see the Full List of Supported Cameras.

If you have DIAG RAW files that FastRawViewer can't open properly, please send us an email and provide us with sample files. We never share any image files sent to us.