How to open PEF files

Did your computer fail to open a PEF file? We explain what PEF files are and recommend software that we know can open or convert your PEF files.

What is a PEF file?

The PEF file extension indicates to your device which app can open the file. However, different programs may use the PEF file type for different types of data.

While we do not yet describe the PEF file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about PEF files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic PEF

These apps are known to open certain types of PEF files. Since many different programs may use PEF files for different purposes, you may need to try a few of the apps to open your specific PEF file.

Free File ViewerFree File ViewerVerified
Pixillion Image ConverterPixillion Image ConverterUser submitted
Photo GalleryPhoto GalleryUser submitted
Picasa Photo ViewerPicasa Photo ViewerUser submitted
Adobe Photoshop CCAdobe Photoshop CCUser submitted
PhotoPad Image EditorPhotoPad Image EditorUser submitted
HoneyviewHoneyviewUser submitted
ACDSeeACDSeeUser submitted
Ashampoo Photo CommanderAshampoo Photo CommanderUser submitted
Paint Shop ProPaint Shop ProUser submitted
FastStone Image ViewerFastStone Image ViewerUser submitted
Adobe PhotoshopAdobe PhotoshopUser submitted
PENTAX Digital Camera UtilityPENTAX Digital Camera UtilityUser submitted
PicosmosToolsPicosmosToolsUser submitted
Digital Camera UtilityDigital Camera UtilityUser submitted
Any Video Converter ProfessionalAny Video Converter ProfessionalUser submitted
JRiver Media CenterJRiver Media CenterUser submitted
VideoPad Video EditorVideoPad Video EditorUser submitted
Pixillion BildkonverterPixillion BildkonverterUser submitted
Windows Live Photo GalleryWindows Live Photo GalleryUser submitted
PrintingPress Limited Feature EditionPrintingPress Limited Feature EditionUser submitted
DxO OpticsProDxO OpticsProUser submitted
AfterShotAfterShotUser submitted
yessign7 ActiveX Controlyessign7 ActiveX ControlUser submitted
RawTherapeeRawTherapeeUser submitted
ACDSee Quick ViewACDSee Quick ViewUser submitted
StudioStudioUser submitted
PhotoLikrPhotoLikrUser submitted
Helicon Filter FreeHelicon Filter FreeUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with PEF-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with PEF-files. If you know one, please use the Suggest link below and tell us about it!