PEF File Type

- The quick facts

What are PEF files and how to open them

Are you having problems opening a PEF file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a PEF file?

A .PEF file is a Pentax raw image file. Through our analysis of PEF files, we know that one use of the format is Pentax raw image. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open PEF files

We have identified 3 PEF openers for Windows that are compatible with this specific type of PEF file.

Programs that open Pentax raw image files

ACDSeeACDSeeVerified
Able RAWerAble RAWerVerified
Bitberry File OpenerBitberry File OpenerVerified
We have not yet verified any programs for Mac that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
We have not yet verified any web services that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Last updated: January 21, 2022

Other file formats using extension .PEF

While Pentax raw image is a popular type of PEF-file, we know of 2 different uses of the .PEF extension. Different software may use files with the same extension for different types of data.

Portable Embosser Format

Through our analysis of PEF files, we know that one use of the format is Portable Embosser Format. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

While we have not verified the apps ourselves yet, our users have suggested 10 different PEF openers which you will find listed below.

Various apps that use files with this extension

These apps are known to open certain types of PEF files. Remember, different programs may use PEF files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Pixillion Image ConverterPixillion Image ConverterUser submitted
Adobe PhotoshopAdobe PhotoshopUser submitted
Photo GalleryPhoto GalleryUser submitted
Picasa Photo ViewerPicasa Photo ViewerUser submitted
PhotoPad Image EditorPhotoPad Image EditorUser submitted
HoneyviewHoneyviewUser submitted
Paint Shop ProPaint Shop ProUser submitted
Ashampoo Photo CommanderAshampoo Photo CommanderUser submitted
FastStone Image ViewerFastStone Image ViewerUser submitted
PENTAX Digital Camera UtilityPENTAX Digital Camera UtilityUser submitted
We have not verified any software that we know for certain will work with PEF-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with PEF-files. If you know one, please use the 'Suggest a program' link below and tell us about it!