To get better results of identification, it is highly recommended that you should try to avoid these following problems of images:

A.Characters in the image should not connect to each other and the frame of them should be as clear as possible without gradient ramp or variegated and they should be parallel.

B.The pictures should be larger than 30px, and smaller than 10MB.

C.LikeFont supports JPG, JPEG, PNG, GIF, WBMP and other file formats.