Thankfully, storage on WhatsApp is now much easier to manage.
Start with launching WhatsApp, pick the top-right corner of the three dots.
Choose Settings > Use of data and storage > Use of storage.
To see how much storage each conversation with that person is using, as well as a breakdown of exactly what consumes that space, tap on each contact listed here.
WhatsApp: Following the simple steps above will prevent all data downloading automatically
Users also have the ability to clear up space easily from any clutter left on their devices.
Start by clicking Manage messages at the bottom of the screen of the phone.
This will automatically remove storage blocking of these data types.
Next click Clear Messages to remove them from the bottom of the screen.
Make sure that anything you want is first backed up or delete from this list.
How to stop WhatsApp saving photos:
Begin by opening WhatsApp and select the top-right corner of the three dots.
Next tap Settings > Use of data and storage.
Then users should see three options under Media auto-download: when using mobile data, when connecting to Wi-Fi, and when roaming.
Just tap each of these options, delete all options, and then select OK.
Source: Daily Express :: Tech Feed