QR Codes for Events & Conferences: Badges, Check-In & Session Feedback
A conference or multi-day event has several genuinely separate moments where a QR code helps — check-in, session materials, feedback, networking — and each one benefits from a different code, not one all-purpose "event QR code" doing everything at once.
Check-in and badge scanning
Fast check-in at a registration desk usually relies on a unique code per attendee — printed on a badge or emailed as a confirmation — that a scanning app on the organizer's side looks up against a registration list. This is a different pattern from a normal static marketing code: it needs a per-attendee unique identifier, generated at registration time, which is a batch-generation job rather than something to build one code at a time in a web tool. The MCP/API fits this well — a registration system can call it programmatically per attendee as people sign up, generating one code per registration automatically.
Session materials and slides
For a single session, a QR code on a slide or printed program linking straight to that session's slides, resources, or a feedback form is one of the highest-value, lowest-effort uses of a code at an event — it turns "email me the slides" into "already scanned it." Put the code on the closing slide with enough time left in the session for people to actually scan it, not flashed for two seconds as everyone's already standing up to leave.
Feedback and post-session surveys
A code linking directly to a short feedback form, placed on the same closing slide as the materials link (or on a separate slide right after), captures feedback while the session is still fresh rather than relying on a follow-up email days later that gets a fraction of the response rate. Keep the form itself short — a code that opens a ten-question survey gets abandoned far more than one opening a two-question one.
Networking and contact exchange
A QR code encoding a vCard (a full contact card, not just a link) lets someone scan a badge or a business card and add the contact directly to their phone's address book in one action, without manually typing a name, email, and phone number. This works well printed on a badge itself for events built around networking, though it does mean the badge is carrying a person's actual contact details in scannable form — worth confirming attendees are comfortable with that before defaulting to it as the badge design.
Wayfinding and schedule access
A code at each session room's entrance linking to the live schedule or a room-specific agenda helps at any event with more than a couple of concurrent tracks, where a printed schedule handed out at the start of the day is already stale by the afternoon if anything changes. Since the destination page (not the code) is what updates, room schedule changes don't require reprinting anything at the door.
Print production for a multi-day event
Event signage often gets produced once, well in advance, and then lives through several days of handling — so the same print-durability fundamentals apply as any signage: export as SVG, use a high error-correction level for anything that'll take wear, and test a physical print sample under the actual venue lighting before a full signage order goes out. See the printing companies guide for the deeper reasoning on why this matters.
The short version
Match the code to the specific moment: unique per-attendee codes for check-in, simple static codes for materials and feedback tied to individual sessions, and a vCard-encoded code for networking if your event leans into that. Each is a small, separate use of the generator (or the API for anything batch-generated) rather than one code trying to do every job at once.