Yeah, that's true in most cases.

My images actually started out at about 12KB (8-bit PNG) which looked
great before uploading them. The conversion "magic" on the server
actually made them larger (downloads as 21KB) but with all the ugly
dithering.

Re-uploading them as 24-bit PNG (25KB) gave much better results
(downloads as 25KB).

On Oct 17, 12:00 am, Streets Of Boston <flyingdutc...@gmail.com>
wrote:
> The market compresses the uploaded images heavily.
> Just check the size of the images in your Market-Publish site of your
> app. They are quite small and tons of JPEG artifacts show up. Even if
> you uploaded PNGs, the images will become JPEGs, heavily compressed
> ones.
>
> On Oct 16, 11:48 am, westmeadboy <westmead...@yahoo.co.uk> wrote:
>
>
>
> > On Oct 14, 10:49 pm, "Maps.Huge.Info (Maps API Guru)"
>
> > <cor...@gmail.com> wrote:
> > > Strangely, the market asks for 320x480 screen shots then reduces them
> > > in size by a few pixels, and sort of smudging them in the process. It
> > > seems like it would have been smarter to ask the developer to deliver
> > > the properly sized image so that this pixilation wouldn't be
> > > necessary.
>
> > I haven't noticed that difference in dimensions but my screenshots
> > were undergoing some kind of dithering (smudging?) after uploading.
> > Then I realised that I had uploaded them as 8-bit. So I resubmitted
> > them as 24-bit and the quality is now as it should be.
>
> > So for some reason, whatever software they use to convert 8-bit to 24-
> > bit doesn't give very nice results.
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