You can back up your iOS device(s) to your Mac. Open a Finder window and open the Sidebar. With your iPad connected, see if it appears under Locations. If it’s on the list, select it. The main window should show the iPad. Under Backups, click on the radio button “Back up all of the data on your iPad to this Mac.” You can then elect to encrypt local backup. Then click “Back Up Now.”
If the iPad is not on the Locations list, open Finder Preferences. Click on Sidebar. Under Locations, click the checkbox for “CDs, DVDs, and iOS Devices.” Now the iPad and/or iPhone should appear in the Finder window sidebar.
By the way, local backups are saved every time a local backup is done. If your latest backup was not good, you can choose to restore from a previous session. To see the list of backup(s), click on “Manage Backups…”