Files with ggz extension can be nowadays mostly encountered as saves from the popular online NeptunJS emulator for console games.

There are 2 other file types using
the GGZ file extension!

empty icon.ggz - Garena skin

empty icon.ggz - Garmin zipped geocaching data

Detailed description

Software that open ggz file

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GGZ file extension - NeptunJS saved position

What is ggz file? How to open ggz files?

File type specification:

Game file type icon Game file type

File extension ggz is used for the default save game file type featured in NeptunJS, a website based emulator for many console games, including:

  • Nintendo 64
  • 3DO
  • PlayStation One 
  • Nintendo DS
  • Sega Saturn
  • Atary Jaguar

ggz files store saved game progress that can be loaded and saved during playing. Probably a compressed archive.

Updated: February 26, 2024

Help how to open:

Useable natively in NeptunJS, but perhaps can be extracted by standard file archivers.

How to convert:

Conversion of this file type is unlikely.

List of recommended software applications associated to the .ggz file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ggz file, edit ggz file, convert ggz file, view ggz file, play ggz file etc. (if exist software for corresponding action in File-Extensions.org's database).

Software that open ggz file - NeptunJS saved position

Programs supporting the exension ggz on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about NeptunJS for open ggz file action.

Suggested software without specified operating system yet (most often Microsoft Windows platform)

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