How to resize a screenshot image on a Mac so that it is "regular size" when posted on the Internet?
98033
How can I stop my retina display from taking 2x sized screenshots?
46382
When copy-pasting images from the clipboard, automatically reduce image size to below the 2 MB requirement
63606
Resizing an image in a post?
104669
How to disable Mojave's floating thumbnail screenshot preview?
98028
Batch "resize" JPEG images to a fixed file size
19618
set a maximum width and height for an image
77007
macOS: Is there a way to show an image constantly on screen (like a watermark)?
137333
Support showing image in original size in overlay
115772
Resize image in Python without losing EXIF data
133401
Resize (enlarge) an image without resampling (in favor of quality loss)?
10799
What is different about the Mac ISO image?
138066
Is there a way to use a variable ad banner size?
113655
Scale (resize) large images (graphics) that exceed page margins
36558
Set size on background image with CSS?
66312
Capturing screenshots on macOS Sierra is very slow
6009
Photoshop a low-res image to make it appear higher-res
157681
change screen resolution with AppleScript