You can pick a font, the size, style (left, centered, right or evenly justified), color (shown below after I clicked on the A). It will be regular but you can click on bold or italic if you prefer.
Several different fonts are provided that can give varying looks.
Make the contrast as high as possible so it shows up against the background.
It depends how long your message is and if it is all equal in importance. Often, we suggest you make one larger "display" line followed by one or two smaller "message" lines.
The subject and colors are up to you (within reason!) Choose something that shows up against your background and is not too busy. If it's a photo you'd want to frame, it will probably look great on a wine label!
For best results, use a high-quality JPEG file of at least 300 dpi.
DPI stands for "dots per inch". The more dots, the closer they are together and the better it is for printing. If your file is too small, it can be grainy looking or have jaggy digital artifacts. How to tell?
Yes, once you upload a photo, you can rotate, scale, or move your picture until it's framed how you like it. The label maker is unable to make any color corrections, red-eye removal or other photo edits, you will need to use your favorite photo editor, such as Adobe Photoshop or Google's free Photos software before you upload your photo.