Convert dds to p4i Online: dds2p4i

You can use Tom's Editor to easily convert images from
Direct Show Surface .DDS to P4I .P4I.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

DDS

DDS are files invented by Microsoft to be used in games, mostly as textures. Images can be compressed to save space but the compression methods defined by DDS are all very fast in terms of coding and decoding.

P4I

P4I is an image format with extension P4I.