▁modify ▁mode . ▁ ▁Util ities ▁ ▁Most ▁util ities ▁that ▁work ▁with ▁IL B M ▁and ▁BB M ▁files ▁are ▁rather ▁dated , ▁such ▁as ▁Mac Paint ▁or ▁Del ux e ▁P aint . ▁Ir fan View ▁allows ▁view ing ▁files , ▁is ▁free ▁for ▁non ▁commercial ▁use , ▁and ▁can ▁work ▁under ▁Linux . ▁Net p bm ▁can ▁convert ▁images ▁from ▁IL B M ▁to ▁its ▁own ▁P PM ▁format ▁and ▁back . ▁ ▁Notes ▁ ▁In ▁the ▁Commander ▁Ke en ▁Dream s ▁series ▁of ▁games , ▁com pressed ▁stand alone ▁IL B M ▁images ▁are ▁used ▁for ▁title ▁screens , ▁but ▁the ▁game ▁does ▁not ▁read ▁most ▁of ▁the ▁IL B M ▁ch unks . ▁This ▁is ▁because ▁the ▁images ▁were ▁edited ▁in ▁Del ux e Paint , ▁then ▁imported ▁directly ▁into ▁the ▁game ' s ▁files . ▁ ▁See ▁also ▁▁ ▁Am iga ▁Inter change ▁File ▁Format ▁Ir fan View ▁ ▁References ▁ ▁External ▁links ▁ ▁P NG 2 IL B M ▁Con ver ts ▁P NG ▁files ▁to ▁IL B M ▁format . ▁In ▁theory ▁it ▁can ▁convert ▁any ▁P NG , ▁including ▁alpha ▁ch anne led ▁and / or ▁ 1 6 - bit ▁depth ▁per ▁channel ▁ones . ▁It ▁supports ▁res am pling , ▁quant izing , ▁d ither ing , ▁color ▁register ▁pres ervation ▁or ▁override ▁on ▁any ▁bit plan es ▁from ▁ 1 ▁to ▁ 8 , ▁including ▁Ext ra - H alf B rite . ▁ ▁Graphics ▁Work shop ▁ 1 . 1