qr code generator
numeric:n[0-9], alphanumeric:a[0-9A-Z $%*+-./:], kanji:k[part of sjis]
QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and in other countries.
error
model
micro
2
version
error correction level
low
medium
quartile
high
mask
auto
0===(i+j)%2
0===i%2
0===j%3
0===(i+j)%3
0===((i/2>>>0)+(j/3>>>0))%2
0===(i*j)%2+(i*j)%3
0===((i*j)%2+(i*j)%3)%2
0===((i+j)%2+(i*j)%3)%2
point shape
square
circle
octagon
diamond
point color
background color