Quick info:
You can change text and text colors in menu Text, select font in menu Font, background style in menu Bground and line spacing in menu Settings. Generated image can be downloaded as .svg (.pdf) in vector format or as .png in bitmap format. Selected background color or image work only for preview, if You need background in downloaded image, change option in Bground before generating.
You are permitted to use generated .svg or .png images in commercial or non-commercial works, logos, illustrations, book covers, posters etc.