I use QR factory to produce unique access codes for individual customers that get printed onto cards. It has saved me a lot of time

Pros:

It solves automatically creating thousands of QR codes

Cons:

For my use I have not found any

Easier, faster and much less hassle to use than web based QR code generators.

Pros:

Easy to use and capable

Cons:

None

if you need a QR code, it can generate them.

Pros:

Simple to use, works.

Cons:

none.

Very clean! Nice work. One suggestion might be to add a crypto currency tab :)

Another solid product from this dev. His stuff just works as expected...

Too expensive

Pros:

Cool app, Simple

Cons:

Too expensive