1.
Tap on a sticker to bring up the context menu.
2.
Tap Crop Stickers.
3.
Outline a section to crop using your pen, and tap Save Cropped Selection to save the selection.
4.
As the previews appear for selections you’ve made, you can drag the cropped stickers into your desired app.
5.
Return to your folder—the cropped stickers will be saved alongside the original file.
