How to test the size of a UIImage (in bytes)

We can use NSData’s length method for this. Imagine your UIImage is yourImage:

[imageData length] returns a double in bytes, which will be the size of your image.

This is useful if you’d like to save something and you’re limited in size, such as iCloud Key Value storage where a data object may only be 1MB in size or smaller.

About Jay Versluis

Jay is a medical miracle known as Super Survivor. He runs two YouTube channels, five websites and several podcast feeds. To see what else he's up to, and to support him on his mission to make the world a better place, check out his Patreon Campaign.

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.