WhatsApp data and cache can take up a considerable amount of storage space, especially group chats where videos and audios are always posted. Those media takes huge amount of storage space, that is why WhatsApp has provided a built-in storage management tool for Android phones.
Reducing WhatsApp Storage Space on Android
Step 1:Open your WhatsApp app and click on the “three-dots”menu button located at the top right screen of your Android phone.
Step 3:Click on “Data and storage usage”. It will show you how much storage space consumed by WhatsApp on your Android device.
Step 4:Click on “storage usage”. Displays a list of all your conversation and how much storage space each has taken up.
Step 6:Click on the “Free Up Space” located at the bottom right corner of the screen and then check-mark the media you want to delete and click on “delete items”.