How to get image original width
6298
Get the real width and height of an image with JavaScript? (in Safari/Chrome)
62466
How can I get zoom functionality for images?
28290
How do I get gallery thumbnail URL and change the default thumbnail size?
52299
When creating PDF from an image, what determines the screen dimensions when viewed at 100%?
80120
How to get orientation-dependent height and width of the screen?
156354
Preserve image transparency when resizing images
74203
How can I resize an image using Java?
101324
Resize image proportionally with MaxHeight and MaxWidth constraints
105561
Resize image in PHP
46615
How to extend the background of an image?
3577
Resizing Images without changing the proportions or losing quality
19827
Get image pixels of prescribed color
29355
How to get screen dimensions as pixels in Android
62366
Javascript - Get Image height
33881
How to get image name, mime type, width, height, file size from post custom field?
23540
Style  to read dimensions from its HTML attributes, not CSS
10759
Match the size of multiple background images