PEF

Pentax Digital Camera Raw Image Format
File type: Digital camera RAW file
Files with pef file extension can be usually found as digital RAW photographs recorded using the Pentax digital cameras.
Found 2 different file type records with the same pef filename suffix.
What is pef file?
File type category:
Digital camera RAW file
Date updated: July 14, 2025
The pef file extension is used for Raw image format created by Pentax Digital Cameras.
The pef file contains uncompressed RAW photograph taken with a Pentax digital camera. Raw formats store image information exactly how it was captured by the camera's sensor, with no compression or color adjustment.
How to open pef file?
Use Adobe Photoshop or similar program to open and work with the .pef files. Might probably require a PEF plug-in.
How to convert pef file?
Many photo editors nowadays support a broad range of raw formats and can be used to export PEF format as well.
Suggested software to open pef file:
Associated software actions with the pef file
Software applications that can open pef files:
PENTAX PHOTO Laboratory (Microsoft Windows)
PENTAX PHOTO Browser (Microsoft Windows)
Adobe Photoshop Lightroom (Microsoft Windows)
Zoner Photo Studio (Microsoft Windows)
HDR Darkroom (Microsoft Windows)
Corel PaintShop Pro (Microsoft Windows)
Adobe Photoshop (Microsoft Windows)
PhotoFiltre Studio (Microsoft Windows)
ACDSee Photo Manager (Microsoft Windows)
Adobe Photoshop Lightroom for Mac (Apple macOS / Mac OS X)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
darktable (Linux/Unix)
Software applications that can edit pef files:
PENTAX PHOTO Laboratory (Microsoft Windows)
PENTAX PHOTO Browser (Microsoft Windows)
Adobe Photoshop Lightroom (Microsoft Windows)
Zoner Photo Studio (Microsoft Windows)
HDR Darkroom (Microsoft Windows)
Corel PaintShop Pro (Microsoft Windows)
Adobe Photoshop (Microsoft Windows)
PhotoFiltre Studio (Microsoft Windows)
Picture Information Extractor (Microsoft Windows)
ACDSee Photo Manager (Microsoft Windows)
Adobe Photoshop Lightroom for Mac (Apple macOS / Mac OS X)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
darktable (Linux/Unix)
Programs for viewing pef files:
PENTAX PHOTO Laboratory (Microsoft Windows)
PENTAX PHOTO Browser (Microsoft Windows)
Microsoft Camera Codec Pack (Microsoft Windows)
Adobe Photoshop Lightroom (Microsoft Windows)
Zoner Photo Studio (Microsoft Windows)
HDR Darkroom (Microsoft Windows)
Corel PaintShop Pro (Microsoft Windows)
Adobe Photoshop (Microsoft Windows)
ACDSee Photo Manager (Microsoft Windows)
FastStone Image Viewer (Microsoft Windows)
FastPictureViewer Professional (Microsoft Windows)
Adobe Photoshop Lightroom for Mac (Apple macOS / Mac OS X)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
PhotoScape X for Mac (Apple macOS / Mac OS X)
darktable (Linux/Unix)
XnView MP (Multiplatform)
Software apps that import pef files:
PENTAX PHOTO Laboratory (Microsoft Windows)
PENTAX PHOTO Browser (Microsoft Windows)
Adobe Photoshop Lightroom (Microsoft Windows)
Zoner Photo Studio (Microsoft Windows)
HDR Darkroom (Microsoft Windows)
Corel PaintShop Pro (Microsoft Windows)
Adobe Photoshop Camera Raw (Microsoft Windows)
Adobe Photoshop (Microsoft Windows)
BatchPhoto (Microsoft Windows)
Adobe DNG Converter (Microsoft Windows)
ACDSee Photo Manager (Microsoft Windows)
Adobe Photoshop Lightroom for Mac (Apple macOS / Mac OS X)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
darktable (Linux/Unix)
Software apps that extract pef files:
Picture Information Extractor (Microsoft Windows)
Software apps that print pef files:
PENTAX PHOTO Laboratory (Microsoft Windows)
PENTAX PHOTO Browser (Microsoft Windows)
Adobe Photoshop Lightroom (Microsoft Windows)
Zoner Photo Studio (Microsoft Windows)
HDR Darkroom (Microsoft Windows)
Corel PaintShop Pro (Microsoft Windows)
Adobe Photoshop (Microsoft Windows)
ACDSee Photo Manager (Microsoft Windows)
FastPictureViewer Professional (Microsoft Windows)
Adobe Photoshop Lightroom for Mac (Apple macOS / Mac OS X)
Adobe Photoshop for Mac (Apple macOS / Mac OS X)
PhotoScape X for Mac (Apple macOS / Mac OS X)
darktable (Linux/Unix)
XnView MP (Multiplatform)
Macintosh Preferred Executable Format
File type category:
Program executable file
Date updated: October 29, 2019
The pef file extension is associated with the Preferred Executable Format, an executable file format used by applications written for Macintosh computers with PowerPC processors.
Obsolete file format not used in Mac OS X (macOS).
How to open pef file?
Open in Macintosh computers.
How to convert pef file?
Probably cannot be converted to anything else.