You can easily export products from your Storefront by following the steps below:

1. Go to the Catalog > Products page.
2. Click Export button.
3. Choose the options you want.
4. Click Export button.

You will likely want to export the product variants too:

1. From the same screen, select export from "Product variant".
2. Choose the options you want.
3. Click Export button.

The full product consists of many data points from various entities. Simply repeat the steps above to export out the desired related entities such as Gallery, Product attribute, Category, etc.