Date: 28 Apr 2010 03:52 am (UTC)
pedanther: (Default)
From: [personal profile] pedanther
The proprietory format of many image editing programs is lossless, for obvious reasons (Photoshop PSD, for instance); but of course that's no use if you don't have the program. I haven't found anything yet that will tell me if Serif format is.

Off the top of my head, TIF and 24-bit PNG are good lossless file formats. (8-bit PNG is a lot like GIF: can perfectly reproduce a simple picture with fewer than 256 colours, but has trouble with photographs.) (Which reminds me that for your icons that are just text on a non-photographic background, you might consider doing them as GIFs; they're likely to come out neater that way than as JPG.)

If you do find that you're stuck with JPG, there should be an image quality option when you export, with a slider usually from 0 to 100. If you push it up to 100, you minimise the loss of quality (with the trade-off that the file size is larger).

What software are you using to crop the image?
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