What feature(s) do you need? A) Link shortener (with ability to change the destination)? B) Customizable look/color/logo for each QR code? C) Analytics? If

What feature(s) do you need? A) Link shortener (with ability to change the destination)? B) Customizable look/color/logo for each QR code? C) Analytics? If you only need (A), then any link shortener will do. Given a URL, generating a QR code is trivial.