Intelligent Keying can quickly remove the border or use picture-in-picture to remove the border.
The specific operation of cutting custom stickers is as follows: 1. Open the clip and click "Start Creation".
2. Select the video and click "Add".
3. Click "Sticker" in the toolbar below.
4. Click the "Add Picture" icon shown by the arrow.
5. Select the picture that needs to be used as a sticker.
6. In this way, the sticker is customized successfully. You can move the sticker with one finger and scale it appropriately with two fingers, and click "Export".