The first step is to upload an image, write an article, choose a color, then click file type, select fill, Value: TypeNumber: ErrorCorrectionLevel: L(7%) M(15%) Q(25%) H(30%) Mode: Numeric Alphanumeric Byte Kanji Multibyte: None SJIS UTF-8 Background: Size: Version 1-24: Fill type: scale_to_fit fill Threshold: Color: Download QR Code