[lug] Are xcf (gimp) files that much smaller than bmps?

Michael D. Hirsch mhirsch at nubridges.com
Mon Mar 31 11:03:05 MST 2003


On Monday 31 March 2003 12:57 pm, Andrew Diederich wrote:
> I was playing around with a 3mb bmp file, added a layer.  Since you
> can't save layers in bmps, I guess, I used the gimp native format, xcf. 
> The xcf file is 480kb, the bmp is 3070kb.
>
> Are xcf files really that much better at compression than windows
> bitmaps?

My impression is that windows bmp files are uncompressed--certainly the 
ifle sizes seem to imply that.  And that's usually the meaning of 
"bitmap", anyway.

So if xcf files are compressed at all I would guess, yes, they are that 
much better.

Michael



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