To download several QR codes at once, 4 steps are listed below.

1. Click the checkbox next to one of the QR codes.

2. In the pop-up below, click the box that says "2 selected" to select all QR codes.

3. In that same pop-up, click the "bulk download" button.

4. Choose your desired format and click the download button.

This is the best practice for downloading QR codes using QR Code Creator.