>As PNG is lossless, you can convert your BMPs into PNGs (which will make it far smaller) and back to BMPs, without a single pixel changing in any way. However,

>As PNG is lossless, you can convert your BMPs into PNGs (which will make it far smaller) and back to BMPs, without a single pixel changing in any way. However, note that some PNG "optimizers" may introduce loss with some settings Ok, TY, I think I grok it now. Yeah, if it's patent unencumbered and lossless, I'd rather see something like PNG used more than invent new file formats, though I respect the craftmanship that goes into some of the formats mentioned in this thread.