A free program for Android, by jetBinary Inc..

Animated Sticker Maker for WA is a sticker-making tool for WhatsApp. With its help, you can easily make animated stickers from any of your favorite movie clips or videos. Simply upload the clip you want to use and trim it to the desired length. Once you’re done editing, you can save your new sticker pack and share it with your friends. It’s a very simple and easy-to-use process, so don’t be afraid to try it out. 

Animated Sticker Maker for WA supports both WhatsApp and WhatsApp Business. It is a free sticker-making tool that is easy to use.