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PEF File - What is a .pef file and how do I open it?
Learn about .PEF files and view a list of programs that open them.
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Overview
What is a PEF file? A PEF file is a raw camera image created by Pentax digital cameras. It stores image information exactly how it was captured by the camera's CCD sensor, with no compression or color adjustment. Professional photographers typically use PEF files because they store higher-quality images.
More Information PEF file open in Microsoft Photos 2020 PEF files are saved in the Pentax Electronic format utilized by various Pentax camera models. Pentax cameras may store images in slightly different variations of the format. For example, images saved in the Pentax Electronic format may also be saved with a .PTX file extension. The PEF format is one of many raw image formats utilized by various camera manufacturers. Other raw file types include: Canon - .CR2 and .CR3 files Hasselblad - .3FR and .FFF files Minolta - .MRW and .MDC files Nikon - .NEF and .NRW files Olympus - .ORF file Ricoh - .J6I file Samsung - .MRW and .MDC files Sony - .ARW , .SRF , and .SR2 files
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DeveloperDAISY Consortium
Popularity2.0 | 1 Vote
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.PEF File Extension
2 file types use the .pef file extension.
Pentax Electronic File
| Developer | Pentax |
| Popularity |
2.8 | 25 Votes |
NEW: Open your .PEF file online with File Helper . View Online
What is a PEF file?
A PEF file is a raw camera image created by Pentax digital cameras. It stores image information exactly how it was captured by the camera's CCD sensor, with no compression or color adjustment. Professional photographers typically use PEF files because they store higher-quality images.
More Information
PEF file open in Microsoft Photos 2020
PEF files are saved in the Pentax Electronic format utilized by various Pentax camera models. Pentax cameras may store images in slightly different variations of the format. For example, images saved in the Pentax Electronic format may also be saved with a .PTX file extension.
The PEF format is one of many raw image formats utilized by various camera manufacturers. Other raw file types include:
How to open a PEF file
You can open and edit PEF files with various image editing programs, including the software bundled with Pentax digital camera purchases. You can also open PEF files with Microsoft Photos (bundled with Windows) and Apple Preview (bundled with macOS).
Some third-party image editors that support PEF files include Microsoft Photos (bundled with Windows), Adobe Photoshop (Windows and macOS), ACD Systems ACDSee (Windows), and Corel PaintShop Pro (Windows).
Programs that open PEF files
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Pricing
Program Name
Platform
Reset
X
Windows
File Viewer Plus
—
Get it from Microsoft
Free +
Microsoft Photos
Included with OS
Corel PaintShop Pro 2023
Free Trial
Canvas GFX Canvas X Pro
Free Trial
ACD Systems ACDSee Photo Studio
Free Trial
Adobe Photoshop 2025
Free Trial
Adobe Photoshop Elements
Free Trial
UFRaw
Free
Mac
Apple Preview
Included with OS
Adobe Photoshop 2025
Free Trial
Adobe Photoshop Elements
Free Trial
GIMP with UFRaw plugin
Free
MacPhun ColorStrokes
—
Discontinued
Paid
Linux
GIMP with UFRaw plugin
Free
Web
FileHelper.com
Free
iOS
Adobe Photoshop Express
Free +
Android
File Viewer for Android
Free +
Adobe Photoshop Express
Free
Category: Camera Raw Files
Updated: October 6, 2021
PEF Braille Book File
| Developer | DAISY Consortium |
| Popularity |
2.0 | 1 Vote |
File created in the Portable Embosser Format (PEF), an XML format used to store braille books in digital form; includes unambiguous embossing specifications; enables braille books to be stored and shared in an unambiguous exchange format.
More Information
PEF was developed to handle some cases of ambiguity from other braille formats, such as ASCII braille.
PEF files can be opened and created using Braille Utils, a Java library for PEF manipulation. PEF files can also be generated from .ODT documents using odt2braille, a plugin for OpenOffice.org 3.0 or later.
Programs that open or reference PEF files
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Pricing
Program Name
Platform
Reset
X
Windows
Braille Utils
Free
Mac
Braille Utils
Free
Linux
Braille Utils
Free
Category: eBook Files
Updated: June 16, 2011