If you want to free up space on your iPhone, one of the ways could be sorting your photos by size and getting rid of the ones that take up the most space. Unfortunately, Apple doesn’t offer such a solution. Fortunately, CopyTrans Photo does.
You will see your iPhone Photos on the left. Right-click on any photo, select “Sort by”, then “Size”. You can also use a keyboard shortcut Shift+Ctrl+I.
There! Now the photos are displayed by size. You will see the exact size of the photo in the bottom left corner, so you can delete the heaviest ones.
BONUS: You can also sort your photos and videos by name/date and choose the order – ascending or descending: