RECOIL - Retro Computer Image Library

XnView MP plugin

On Debian/Ubuntu install XnView MP, then recoil-xnview_6.4.2-1_amd64.deb.

XnView MP on Ubuntu

GIMP plugin

Install:

GIMP on Ubuntu

Command-line converter

Install:

When you run recoil2png with just the input filenames, it writes the corresponding PNGs with the same names and locations and the extensions changed to png.

To see what options are available, run the program without arguments.

GNOME thumbnails

First install the command-line converter as above.

Then install:

Nautilus