GUN Converter

Try our offline GUN file converter. Every year thousands of users around the world save thousands of hours using reaConverter!

How to Convert .gun Files in Bulk

1. Install reaConverter

Download reliable GUN conversion software to convert multiple .gun files and folders in one go.

2. Select GUN Files

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

3. Start Conversion

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

Convert GUN on your PC

For quick and effortless GUN 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.

Do more with your files

Converting GUN 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.

Image editing

User Reviews

Average User Rating:
Last updated on May 01, 2025
"I'm really impressed with this software - it converts files between formats incredibly fast!"
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Lin Zhang
Happy User
"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
⭐⭐⭐⭐⭐
Roger Cook
Happy User
"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
"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.
Satisfied Customer
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
⭐⭐⭐⭐⭐
Helen Evans
Satisfied Customer
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
⭐⭐⭐⭐⭐
Ava Thomas
Happy User

GUN files: Frequently Asked Questions

Can reaConverter open GUN files?

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

How do I change GUN to another format?

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

Can I convert GUN online?

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

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

The best way to convert GUN 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 GUN.

How can I automate GUN 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 GUN 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 gun converter.

What else can I do with reaConverter?

Convert DICOM imagesResize pictureChange file dateCopy IPTC dataConvert vector images

What formats can I convert a GUN file to?

Discover more

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