We support two families. Static QR codes encode information directly and can't be edited afterward or tracked: plain text, a static vCard (contact card), Wi-Fi login details, a pre-filled email, a phone number, an SMS message, or a cryptocurrency wallet address (BTC, ETH, BCH).
Dynamic QR codes point to a link we control, so you can edit them anytime and see full scan analytics: a Link QR, an enhanced vCard+ (with photo, social links, and address), WhatsApp click-to-chat, a calendar event (adds directly to the scanner's calendar app), an "Application" smart link (sends iOS/Android/desktop users to the right store automatically), and a File QR for sharing a downloadable file.