Convert PEF to JXL

Turn PEF camera files into JXL quickly. reaConverter handles batch RAW conversion with options for exposure, color, and quality.

Got a folder full of PEF files? reaConverter batch converts them to JXL in minutes, not hours. Local processing means instant results, even with thousands of files. Preserves RAW quality with options for color space and compression settings.

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed. Built-in editing tools let you resize, crop, or watermark as you convert.

Install reaConverter

2. Load your PEF files

Load your PEF RAW photos into reaConverter. Add entire shoots at once and process them in minutes.

Browse for files, drag them in, or add entire folders at once. reaConverter queues everything automatically.

3. Select JXL as output format

Choose JXL as output format. Adjust color profile, quality, and resolution settings to match your photography workflow.

4. Start PEF to JXL conversion

Start the conversion with one click. reaConverter handles everything and notifies you when it's done.

When the batch finishes, your JXL files are ready in the destination folder you chose earlier.

PEF to JXL Converter

reaConverter offers the fastest, simplest solution for converting your PEF files into JXL in seconds - all photos processed on your PC for maximum privacy and speed.

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Do more with your images

Converting PEF images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

Image editing tools

User Reviews

Average User Rating:
Last updated on January 25, 2026

"If you've ever shot with Pentax cameras, you know the struggle of working with PEF files. Converting them to standard JPEG is a real challenge—unless you have reaConverter. Skip the online services; just install it and say goodbye to conversion headaches!"

Alan Foster

Satisfied Customer

"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."

J. Mitchell

Satisfied Customer

"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."

Malik T. Martin

Satisfied Customer

"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"

Sarah Lane

Satisfied Customer

"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"

Richard E. Miller

Satisfied Customer

"Converts files in seconds! Finally a tool that's both fast and simple to use."

Wei Chen

Happy User

PEF to JXL Conversion: FAQ

Can reaConverter convert PEF to JXL?

Yes! reaConverter instantly converts .pef to .jxl with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert PEF to JXL online?

If you only need to convert a few PEF files to JXL format, feel free to try our free online free online PEF to JXL converter — perfect for small batches with no installation needed!

How can I turn PEF files into JXL on my computer?

The best way to change PEFs to JXLs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from PEF to JXL.

How can I automate PEF to JXL files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert PEF files to JXL using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line pef to jxl converter for batch processing.

What else can I do with reaConverter?

Copy IPTC data Convert Gerber images Crop images Convert GIS files Convert DICOM images