Make Photo Gallery is a online gallery tool that automatically combines many photos into a nicely arranged single panel of photos.
Select photos on your computer to process into a combined image. Don't upload Any Big sized photos if your computer is too old to deal with it.
Choose options you want.
Click the `Combine Photos` Button to start processing. When you see a processed image, save the image with `Save As...` option by clicking right button of your mouse over the image.