1. Linked 2D code generator:
https://www.liantu.com/
2. Pico 2D decoder:
https://jiema.wwei.cn/
3. Two dimensional code of forage:
https://cli.im/deqr
4. QRCode Monkey:
https://www.qrcode-monkey.com/
5. 2D code beautification of Factory 9:
https://www.9thws.com/
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