MkNxGn Pro Tech QRCode creator is a free use program.

Endpoint: https://mknxgn.pro/tools/qrcode

Data Parameter

Input the data you want the qrcode to read.
Ex. data=hello

Color Parameter

Input the color you want the qrcode to be in RGB or RGBA format
Ex. color=250,0,0,0
Defaulting to black

Background Color Parameter

Input the back ground color for the qrcode in RGB format
Ex. bgcolor=255,255,255
Defaulting to white

Scale Parameter

Input the size of the qrcode
Ex. scale=10
Defaulting to 6

Version Parameter

Inpuy the version for the qrcode
Ex. version=3
Defaults to the best size for the Data Parameter

Ex. https://mknxgn.pro/tools/qrcode?data=hello&color=0,183,210&bgcolor=255,149,236&scale=7