Pixels to Inches: How to Resize Images Without Losing …
A Facebook photo should be at least 1200 pixels wide—1920 if it’s an event photo. In 2003, when 500px launched, the perfect web-resolution was, well, 500 pixels. Now, it’s best to upload your photos with a resolution of at least 2048 pixels. The web is constantly evolving, and for photographers, that means regular image resizing.
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