Here is a Qr code Generator That is written with the help of basic HTML ,CSS ,JavaScript and a javascript library named qrcodejs library.
The cdn link with the script that you have to use to link the library
Now run the file by extracting the zip file from Github.
Hope you would like my work,then you can contribute to this project and feel free to make improvements.I would love to hear from you and I would like to improve the project.