After creating a room you can invite others by sending them the link from the address bar.

Make sure you upload high quality picture to avoid blurriness.

Uploading large files may take a while, please be patient.

Some browsers may have issues with puzzles larger than 1000 pieces.

Create room with multiple sets by dropping up to 4 image files.

Create preset will create a preset for a room that you can share with others so everyone can create their own room with the same settings.