Convert jp2k to pcx Online: jp2k2pcx

You can use Tom's Editor to easily convert images from
JPEG 2000 .JP2K to ZSoft Paintbrush .PCX.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

JP2K

JPEG 2000 is an image format with extension JP2K.

PCX

ZSoft Paintbrush is an image format with extension PCX.