Files with jj file extension could in the past be found as drawings made in Doodle program on Commodore 64.

There is one other file type using
the JJ file extension!

jj icon.jj - JavaCC data

Detailed description

Software that works with jj file extension

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JJ file - Doodle C64 Compressed image format

What is jj file? How to open jj files?

File type specification:

Bitmap image file type icon Bitmap image file type

jj file icon: jj filetype icon

The jj file extension was in the past used for a special compressed image format used on Doodle program for Commodore 64.

Doodle was a popular graphics editor on that platform.

This jj file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: January 10, 2018

The default software associated to jj file type:

XnView MP icon

Pierre-Emmanuel Gougelet logoXnView MP  Multiplatform software

Company or developer:
Pierre-Emmanuel Gougelet

A free (for non-commercial purposes) powerful cross-platform media browser, viewer and converter. Compatible with more than 500 formats and also supports export to 70 different file formats. It works on Windows, Linux and macOS (OS X).

Help how to open:

You should be able to view these files using XnView.

How to convert:

Use XnView to export *.jj files to other formats.

List of recommended software applications associated to the .jj 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 jj file, edit jj file, convert jj file, view jj file, play jj file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • View jj file

jj file viewer - programs that view jj file - Doodle C64 Compressed image format

Programs supporting the exension jj on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about XnView MP for view jj file action.

Multiplatform:

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JIFF file extension

File-Extensions.org > Bitmap image file types

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file extension JLS

 

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