UNI Converter

UNI to any format — batch mode, offline, no uploads. reaConverter gives you full control over quality and output settings.

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reaConverter
Convert
UNI Files
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How to Convert .uni Files in Bulk

1. Install reaConverter

Download reliable UNI conversion software to convert multiple .uni files and folders in one go.
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Install reaConverter

2. Select UNI Files

Select UNIs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load UNI files

3. Start Conversion

Click Convert to start the bulk conversion of all selected UNI files. The process will begin right away.
reaConverter - Start UNI conversion

Convert UNI on your PC

For quick and effortless UNI file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

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Do more with your files

Converting UNI files for use in a larger project? 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 29, 2026
"This program is incredibly simple and user-friendly, even beginners can use it with ease. It supports batch processing, works offline, and runs smoothly on my aging Acer Aspire laptop. Best of all, the output quality is outstanding!"
Kevin Harris
Kevin Harris
Happy User
"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
"We use reaConverter in our department to handle image and document conversions for multiple teams. The Watch Folders function is brilliant — I configured different folders for different workflows, and now everything happens automatically in the background. No more manual conversions or missed files. Rock-solid performance!"
James L.
James L.
IT Manager
"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
"Tried a few image tools before, but this one is by far the easiest. Drag, drop, convert — done in seconds. It saved me a ton of time when organizing my image folders."
Lisa K.
Lisa K.
Happy User
"Before reaConverter, I was the ‘File Conversion Guy’ at work — a title I never asked for and definitely didn’t want. Then I found the Watch Folders feature, and suddenly I was free! Now, files convert themselves while I sip coffee and pretend I'm still working hard. My coworkers think I'm a wizard. Thanks reaConverter, for saving my sanity and boosting my fake productivity!"
Ben H.
Ben H.
Overwhelmed Office Hero

UNI files: Frequently Asked Questions

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.

Can reaConverter open UNI files?

reaConverter fully supports the UNI file format – open, edit, and export UNI files to any other popular file format with ease.

How do I change UNI to another format?

reaConverter is a user-friendly tool for converting UNI files. Once installed on your computer, it allows you to convert all your .uni files at once with just a few clicks. You can even convert uni images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert UNI online?

If you only want to convert a few UNI files, you are welcome to try our free online UNI converter.

How can I turn UNI files on my computer to another format?

The best way to convert UNI files on your PC is to get 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.

How can I automate UNI files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert UNI files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line uni converter.

What else can I do with reaConverter?

Convert PDF filesWatermark photosConvert DICOM filesResize imageConvert Gerber files

What formats can I convert a UNI file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcm  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  hpg  hru  ico  iff  iges  igs  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  rla  sgi  shp  svg  svgz  tga  tif  tiff  webp  webpll  wmf  wmz  wpg  wrl  xbm  xpm 

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Explore our efficient UNI file converter that saves you time and effort by converting multiple .uni files into different formats.
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