The WhatsApp Cleaner feature frees up memory and storage space on your device by deleting photos, gifs, videos and audio shared on WhatsApp.
To use this option, open dfndr performance
Select Tools at the bottom of your screen and  tap on  âWhatsApp Cleanerâ feature.
1- You can filter the files by date, type or size by selecting the filter button .
2-Â Before deleting files, you can first open them in a list to verify which files you want to delete.
3-Â Select all files that you want to remove, then tap âDELETEâ.
4- Select âConfirmâ to remove them.
REMINDER:  Once confirmed, all selected files will be permanently deleted and cannot be recovered.