Remove cancel unwanted notifications automatically.
Auto clear notifications from notification drawer.
Backup cleared notifications for later check.
Auto remove annoying notifications
Android notification removal tool

Sometimes we need the app but dont want to get notifications.
You can block it by in built android notifications settings.
Well, what if you missed important one?
This app does the job.
You can clear notifications by app name or app icon group(a unique feature) or by filtering words.
You can also backup cleared notifications so in case you wanna see those in spare time.

Dont like certain watsapp groups annoying notifications, add the exact group name in the filter