100% Secure & Private
GG Converter
Convert GG files on your own machine instead of an upload form. reaConverter processes everything locally, with no size limits.
How to Convert .gg Files in Bulk
1. Install reaConverter
2. Select GG Files
3. Start Conversion
Step by step
See It in Action
For quick and effortless GG 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.
Extra Tools
Do more with your files
Converting GG 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.
User reviews
From those who tried it
Average User Rating:Last updated on June 30, 2026
Questions & Answers
GG files: Frequently Asked Questions
What are GG files?
A GG file represents an image associated with Koala Paint or Koala Painter — a drawing program included on the Koala Pad. This device represented a low-cost tablet released in the 1980s by Koala Technologies, designed as a drawing pad for children. Koala Painter was also released for the Commodore 64 computer, and was fairly popular among home users during the 1980s. GG files are currently considered obsolete.
Can reaConverter open GG files?
reaConverter fully supports the GG file format – open, edit, and export GG files to any other popular file format with ease.
How do I change GG to another format?
reaConverter is a user-friendly tool for converting GG files. Once installed on your computer, it allows you to convert all your .gg files at once with just a few clicks. You can even convert gg images directly from Windows Explorer using the right-click menu — fast and convenient.
Can I convert GG online?
If you only want to convert a few GG files, you are welcome to try our free online GG converter.
How can I turn GG files on my computer to another format?
The best way to convert GG 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 GG.
How can I automate GG 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 GG 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 gg converter.
What else can I do with reaConverter?
Convert RAW formatsConvert CAD formatsSet file dateConvert PDFAdd text on pictures
What formats can I convert a GG file to?
Discover More
Beyond GG conversion
Convert .gg 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.
