If you want to crop your shipping label. we advise you can use the "Xodo" APP Download from Google Play.
First, Open the "Xodo" APP.
->Open the PDF file that needs to be cropped.
->Click on the "three dots" in the upper right corner and select "View mode".
->Click "Double Pages", then click "Crop Pages", then select "Manually crop pages".
->Swipe the screen and Select Crop zone. and step by step select 1/2-2/2 page-> Crop
-> Click the three dots in the upper right corner, then click "Save a Copy"-> Permanently cropped copy.
->Select your files.->Rename your new Cropped files.
-> open "Print Label" App to select the new crop pdf file-> print.
(Please refer How to Print "PDF File" on iPhone/Android phone?)