Convert MEF to JXR

MEF to JXR with professional color control. reaConverter batch converts RAW files with options for color balance and output quality.

Got a folder full of MEF files? reaConverter batch converts them to JXR in minutes, not hours. Local processing means instant results, even with thousands of files. Handles camera RAW files with professional color management options.

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How to Convert Multiple MEF Images to JXR?

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately. Apply image edits like resize, crop, or color adjustment while converting.

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Install reaConverter

2. Load your MEF files

Load your MEF 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.

Load your MEF files into reaConverter

3. Select JXR as output format

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

Select JXR as output format

4. Start MEF to JXR conversion

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

Start Conversion

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

MEF to JXR Converter

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

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Do more with your images

Converting MEF 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.

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User Reviews

Average User Rating:
Last updated on January 25, 2026
"Needed to convert my professional photos to JXR for long-term storage and was pleasantly surprised by reaConverter's handling of this format. The compression maintains exceptional dynamic range while reducing file sizes significantly compared to TIFFs. The batch processing saved me hours of work, and the quality preservation is outstanding - perfect for my HDR photography archive."
Jamie K.
Jamie K.
Digital Archivist
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
David R.
David R.
IT Solutions Architect
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
Kenneth D. Carter
Kenneth D. Carter
Satisfied Customer
"I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!"
Mark T.
Mark T.
Satisfied Customer
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User

MEF to JXR Conversion: FAQ

What are MEF files?

MEF is the proprietary RAW image format of Mamiya cameras. This high-end Japanese brand is well known among professional photographers for producing photographic equipment and has a history dating back to the 1940s. Also known as "digital negatives", RAW images represent uncompressed images which need to be customized using an editing program. They are often favoured by professional photographers for offering high-quality images including a large amount of details, which can be highly suitable for printing.

What are JXR files?

JXR or JPEG XR (JPEG Extended Range) is the extension used to define high resolution and high color depth images that provide better quality than regular JPEGs. The JXR format was initially developed as an HD Photo format for Windows' media viewers and editors and can support lossy or lossless compression. Its 48-bit RGB color range allows for accuracy in rendering images and better graphic representation. Additionally, JXRs can include an alpha channel which facilitates the editing of transparent layers.

Can reaConverter convert MEF to JXR?

Yes! reaConverter instantly converts .mef to .jxr 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 MEF to JXR online?

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

How can I turn MEF files into JXR on my computer?

The best way to change MEFs to JXRs 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 MEF to JXR.

How can I automate MEF to JXR 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 MEF files to JXR using the command prompt?

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

What else can I do with reaConverter?

Convert RAW formatsConvert DICOM imagesResize imagesConvert CAD formatsChange image bit depth

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