Convert UNI to JXR

Stop converting UNI files one by one. reaConverter processes entire folders to JXR automatically — just drag, drop, and click Convert.

reaConverter transforms UNI files to JXR quickly and reliably. Drag in folders, set your options, click Convert, done. No cloud accounts, no file uploads, no complicated setup. Just install and start converting.

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UNI to JXR
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How to Convert Multiple UNI Files to JXR?

1. Download and Install reaConverter

Download reaConverter and install it in seconds. The setup is straightforward — no complex configuration, no extra software required.

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Install reaConverter

2. Load your UNI files

Load your UNI files into reaConverter. You can add individual files or point to folders, and the software will queue everything automatically.

Select UNIs from a folder or drag-and-drop them directly into the reaConverter window.

Load your UNI files into reaConverter

3. Select JXR as output format

Choose JXR for output and set your save location. reaConverter lets you customize quality and apply edits before conversion.

Select JXR as output format

4. Start UNI to JXR conversion

Press the Convert button and reaConverter takes care of the rest. Processing time depends on file size and volume.

Start Conversion

After processing, find all your new .jxr files in the output location. The log shows details for each conversion.

UNI to JXR Converter

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

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Do more with your files

Converting UNI files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features
Image editing

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
"Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines."
Rebecca Turner
Rebecca Turner
Marketing Agency CEO
"I was drowning in mismatched file formats until I found reaConverter. The one-click conversion and editing tools simplified everything, and the pricing is reasonable for small businesses. Now I spend less time troubleshooting and more time growing my brand!"
Emily K.
Emily K.
E-commerce Entrepreneur

UNI to JXR Conversion: FAQ

What are UNI files?

UNI is a rare image format associated with Brother fax machines. Brother is a Japanese brand with a long history in manufacturing electronical equipment for the printing and advertising industry, as well as sewing and embroidering. A UNI file most likely contains the image of a document that has been sent or received via a Brother fax machine. The format is now considered obsolete.

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 UNI to JXR?

Yes! reaConverter instantly converts .uni 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.

Can I convert UNI to JXR online?

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

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

The best way to change UNIs 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 UNI to JXR.

How can I automate UNI 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 UNI 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 uni to jxr converter for batch processing.

What else can I do with reaConverter?

Convert RAW photo formatsConvert PDF filesAdd watermark on imageConvert vector filesConvert picture color space

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