GB Converter

Save yourself from the hassle of spending countless hours trying to figure out how to convert multiple GB file into other formats with our fast and easy GB file converter.

How to Convert .gb Files in Bulk

1. Install reaConverter

Download reliable GB conversion software to convert multiple .gb files and folders in one go.

2. Select GB Files

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

3. Start Conversion

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

Convert GB on your PC

For quick and effortless GB 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 GB 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 September 01, 2025
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"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
"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
Jason P. Bailey
Jason P. Bailey
Non-Profit Coordinator
"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
Henry R.
Henry R.
Happy User
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
DeShawn M. Thompson
Happy User
"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
Helen Evans
Satisfied Customer

GB files: Frequently Asked Questions

Can reaConverter open GB files?

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

How do I change GB to another format?

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

Can I convert GB online?

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

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

The best way to convert GB 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 GB.

How can I automate GB 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 GB 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 gb converter.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthCopy EXIF dataConvert RAW formatsConvert vector images

What formats can I convert a GB file to?

Discover more

Explore our efficient GB file converter that saves you time and effort by converting multiple .gb files into different formats.
reaConverter software