Friends, I need help. I recently acquired a Macbook Pro m1 16inch and I'm having a serious problem exporting images with good resolution in Photoshop.
Firstly, the 100% preview is tiny, which confused me. But beyond that, when I export web images 1920x1080 pixels and 72dpi, the quality is poor. A strange, pixelated blur. I can only export images with good quality when I export at double the size (more than 3000 pixels).
All consumer-oriented image viewers and web browsers, including all native MacOS apps, will scale up 2x linear dimensions when they detect a high resolution display. They will use four screen pixels to represent one image pixel.
This is the industry standard workaround to ensure the same material can be used everywhere, regardless of what screen technology the user happens to have.
Photoshop can't do that. As a critical image editor, it has to display correctly, and that's what you see.
The ppi number is irrelevant for screen. All that matters is the pixel dimensions. As long as the pixel size is the same, the image isn't changed in any way.
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