Does anyone know of a way to make an image of an SD card using a reader that can be restored to another SD card in a reader? Say I wanted to get an exact clone of one card onto a larger one.

SD Clone shrinks and expands the image as needed to fit your data on any size card. The app supports the Raspbian Raspberry Pi operating system, Linux and other operating systems.

If you want to upgrade storage on your Raspberry Pi, you can easily clone your microSD card to the larger one or to an NVMe SSD. Here's how.