GB Converter

Offline GB converter with professional output. reaConverter keeps your files on your machine while you work.

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GB Files
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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.
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Install reaConverter

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.

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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.

Conversion features
Image editing

User Reviews

Average User Rating:
Last updated on May 29, 2026
"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 efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
Sarah Lane
Sarah Lane
Satisfied Customer
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"We receive artwork in all kinds of formats from clients. reaConverter takes care of converting them all to print-ready specs automatically using Watch Folders. It reduces errors, saves us time, and has improved our turnaround time with customers. Incredibly powerful software."
Michael D.
Michael D.
Print Shop Owner
"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

GB files: Frequently Asked Questions

What are GB files?

GB files are associated with Nintendo video games and include digital copies of ROM cartridges or carts. The latter represent memory attachments that can be connected to home computers or game consoles for loading Nintendo games. GB files are considered uncommon and are compatible with a limited number of image viewers.

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?
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  glb  gltf  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  step  stl  stp  svg  svgz  tga  tif  tiff  u3d  webp  webpll  wmf  wmz  wpg  wrl  x3d  xbm  xpm 

Beyond GB conversion

Convert .gb files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.
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