This seems to be limited to beta users on desktop though.
Sticker packs are a popular alternative to emoji on WhatsApp and other platforms, giving you a greater variety of ways to express yourself. The one downside to WhatsApp’s sticker functionality is that you can’t create them from within the app, but that’s changing.
Serial tipster Mukul Sharma (h/t: 91mobiles) has spotted a button in a beta version of WhatsApp that allows you to create your own stickers. Sharma confirmed to Android Authority that the feature is working right now and available via WhatsApp Web.
You won’t need third-party apps to create stickers anymore, at least not on desktop.[#item_full_content]