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JPG quality: Paint.net vs Photoshop


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I've noticed that for a given file size, pictures saved to JPG by Paint.net seem to have a noticeably lower quality than those saved by Photoshop.

Here is an example: Paint.net JPG image / Photoshop JPG image (notice that the file sizes are similar).

I've used Paint.net's max setting (100), yet I couldn't get a decent colour on the orange text.

What's the problem with Paint.net's JPG implementation? Or is there a problem only with this particular image?


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PNG is very efficient on images consisting of large blocks of solid color (LIKE SCREENSHOTS), especially if you use something like PNGOUT or OptiPNG, the latter of which has a filetype plugin for Paint.NET available in this forum.


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I don't know. I haven't researched the way Photoshop does it versus the way that GDI+ or WIC does it. (Paint.NET uses GDI+ for JPEG encoding. In Windows 7, GDI+ codecs were rewritten to use WIC, thus Paint.NET essentially uses WIC in Windows 7.)

The Paint.NET Blog: https://blog.getpaint.net/

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