Using Stickifly for free WhatsApp stickers
1. Open Stickifly and click on any WhatsApp stickers for a chat. You can also search for any WhatsApp sticker.
2. After the sticker is downloaded, you'll see a full preview. Click on Add to WhatsApp button if you like the sticker pack
3. Open WhatsApp, go to stickers, and click on the new icon of the WhatsApp sticker pack that you added
4. Click on any of the WhatsApp stickers to send it in the chat

FAQ:
I add these stickers and use them after some time it's not available in my WhatsApp.
Ans:
Some phones don't allow this app to run in the background.
Goto
Settings-->Battery-->Battery Optimization and then choose WhatsApp Tamil Stickers then choose "Don't Optimize".

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