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  1. I didn't know there was optipng plugin available, that's handy (I use command line version for batch converting my game screenshots for example). But sadly it doesn't solve the issue. Above examples just highlighted the issue. Sometimes jpg is better option especial when posting normal images or game screenshots (though in later case png can be good option too, depends about the image). Assuming I'd had some image that doesn't compress well as png (i.e. "noisy" image, lots of detail) but then I'd have small red text on blueish background it would look quite bad when using the built in jpg encoder in Of course I can use another tool to do it but it kinda beats the purpose of the built in jpg save option because the quality is what it is. It would save time if one could save directly to jpg without chroma subsampling, now I have to use another app for that. There are some special cases where I'd really need that option to get the best image quality/size trade off when posting lossless images wouldn't be practical (or if the file size is issue).
  2. I've been using for ages and it is a wonderful tool for simple and quick image editing. However, there's this one thing that bugs me: no way to disable chroma subsampling. Sometimes it's okay to use chroma subsampling to save space but sometimes the results are horrible, this is one example that shows the issue: Size before uploading: 1,41 KB, png (lossless RGB) Size before uploading: 61,0 KB - progressive jpg, 100% quality, no chroma subsampling, XnView Size before uploading: 42,9 KB - 100% quality, 4:2:0 chroma subsampling, Paint.NET What happens in noisy image: Png. Jpg. Quite horrible. Sure, in this case PNG is superior format in every possible way but imagine if that was part of a larger image. It would still look like that even though the rest would look okay (although I never use jpg chroma subsampling myself - it just hurts the colours and image quality too much). I'd really appreciate option to switch between most common subsampling modes like in PSP for example: Though three most common modes would be just fine i.e. 4:4:4 (no subsampling), 4:2:2 and 4:2:0. Also progressive jpg support would be nice too since it's usually smaller. That's something I'd really like to see in the future version - also I'm really looking forward to 4.0!