Well generating QR codes off wallets, might be interesting due to the many other features these websites may add to your wallet address or business payment accounts. But let's all be careful here as theres high risk of losing funds using such online third party QR codes generators. I'm this regards I will quote one of my old replies regarding the generating of QR codes offline wallets or using third party websites
This idea seems risky and might just be the worse idea, mate. Generating QR codes off wallets? Did you know that hackers could compromise QR codes using this method? They might replace your wallet address with theirs, so when someone scans the code, the funds go to the hackers. It becomes tricky to verify if the QR code matches your wallet address. hot wallets, and exchanges usually have built-in QR codes for your wallet address, making it safer to send and receive money, preventing malware or clipboard viruses.
When you share your wallet address online and use a website to generate a QR code, you're exposing yourself to a bigger risk. QR codes may seem secure, but they can be altered by hackers or thieves. Sending them online will put you i a whole much risk. I don't recommend this idea for anyone mate.
Even If you're sending funds using a QR code, make sure to double check the details of the receiver to avoid falling victim to scams. If wallets can be hacked, what more about a website?
If we must do this, maybe because of the designs lile the one from op. We should be mindful and be patient enough to confirm the authenticity of the QR codes generated for us using these websites. The internet is filled with somany scam and malicious sites so be careful whenever you want to do something like this that Involves your funds.