With Filestar you get 0 different skills for working productively with Cyber Paint Cell (.cel) files.
About .Cel
Name
Cyber Paint Cell
Extension
.cel
Format
Binary
Category
Raster Image
Developer
Electronic Arts
Description
A cell saved by Cyber Paint on the Atari ST: an FF FF 00 00 header, a width and height, and uncompressed ST planar pixels. KiSS cel files share the extension and are told apart by the signature.