PEF Viewer for Mac OS X and Windows

Due to current circumstances, people are trying to stay inside - so there are fewer photo opportunities. Maybe now is a good time to go through your old photo archives!

We are offering a 25% discount on all LibRaw products and bundles.

We are extending our Special Prices until July 20, 2020.

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 PEF

Do you have RAW shots from Pentax or Samsung camera(s) in PEF 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 Pentax Cameras that Use PEF RAW Format

SLR, K series, APS-C

  • *ist D
  • *ist DL
  • *ist DL2
  • *ist DS
  • *ist DS2
  • K-30
  • K-50
  • K-70
  • K-500
  • K100D
  • K100D Super
  • K110D
  • K200D
  • K2000/K-m
  • K-x
  • K-r
  • K-S1
  • K-S2

Compact, Q series

  • Q10

Pro SLR, K series, Full Frame (FF)

  • K-1
  • K-1 II

Pro SLR, 645 series, Medium Format (MF)

  • 645D
  • 645Z

Pro SLR K serias APS-C

  • K-3
  • K-3 II (std mode)
  • K-5
  • K-5 II
  • K-5 IIs
  • K-70
  • K10D
  • K20D
  • KP

Support for Samsung Cameras that Use PEF RAW Format


Samsung dSLR

  • GX-1L
  • GX-1S

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

please see the Full List of Supported Cameras.

If you have PEF 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.