Examples:
- Keep links short: fewer bytes means a smaller, easier-to-scan code. A start payload of a few characters is enough to attribute a campaign.
- Use level Q or H if the code will be printed small, on curved surfaces or with a logo on top.
- Always test with two different phones before printing.
Encoder based on the algorithm of Project Nayuki's QR Code generator (MIT license), byte mode, versions 1 to 40. (nayuki.io) · Deep link builder