Drag images to change order
Style
Resize
Resize to the largest image
Resize to the smallest image
Grid Options
Rows
Columns
Margin
Margin between images
px
Margin you see in the preview is proportional to the thumbnails. Actual margins will be bigger.
Fill Color
You need to upload at least two photos to join
Here's your joined photo
Right click on the photo and select "Save Image as" to save
or
Join more photos