QR Codes for Events: Registration, Check-in & More (2026)

QR codes do four jobs at an event: they're the ticket, they're the check-in, they're the program that's never out of date, and they're how two people swap contact details without a business card. Each job wants a different kind of code, and the ticket one in particular is easy to get wrong. This guide goes through the event in order, before, during and after, with the code type and the size for each.

Why Use QR Codes for Events

Every paper artefact at an event is a place things go wrong: tickets get lost, programs go stale the moment a speaker cancels, business cards go in a pocket. A code replaces each of them with something that lives on the attendee's phone and can be counted.

Event QR Code Use Cases

1. Event Registration and Ticketing

The ticket is a QR code in the confirmation email.

How it works

1. The attendee registers and pays
2. Your system generates a unique code per ticket
3. The code goes out by email, or into the event app
4. The attendee shows it at the door
5. Staff scan it; the system marks it used

Why it beats paper: nothing to lose, a ticket transfers by forwarding an email, every code is unique and single-scan so a copy is refused once the original is used, and you have the attendance list the moment the doors close.

If your platform doesn't do this, the bulk QR code generator turns a registration spreadsheet into one code per row.

2. Fast Check-In and Entry Management

A scan records arrival time, who arrived, and ticket type (general, VIP, speaker), and can trigger badge printing.

3. Session and Schedule Information

Print the code once; point it at the live schedule.

A static code to a web page works if the page is what changes. A dynamic code is better: you can re-point it if the schedule moves to a new URL or the app changes, and you get scan counts per sign.

4. Networking and Contact Exchange

A vCard QR code on the badge, or on an attendee's phone screen, saves a contact in one scan.

Attendees: a vCard on the badge means anyone can save your details without asking for a card.

Speakers: put a vCard or a link code on the last slide. Nobody has to photograph an email address.

5. Lead Capture at Trade Shows

Exhibitors scan the visitor's badge instead of collecting cards.

1. Every badge carries a unique code
2. The exhibitor scans it at the booth
3. The contact lands in their lead list
4. They add a note while the conversation is fresh
5. Follow-up goes out after the show

No typing, no illegible cards, and the leads are in the CRM before the exhibitor's flight home.

6. Feedback and Surveys

Ask while the session is still in their head.

• A code on the exit sign for the post-session survey
• A code on the badge for the end-of-day one
• A code in the follow-up email for the full survey

Point it at a short form (three to five questions), and offer something for completing it. Here's how to make a QR code for a Google Form.

7. Wayfinding and Venue Navigation

A location QR code opens the venue or the car park in Google Maps, Apple Maps or Waze. Beyond that: codes on room signs that open that room's schedule, and one at the entrance that opens the floor plan.

Creating Event QR Codes

Ticket QR Codes

Requirements

• Every ticket gets a unique identifier
• The code encodes the ID, nothing else
• Scanning checks the ID against your database
• The first scan marks it used

Ways to do it: an event platform (Eventbrite, Cvent and the others below all generate ticket codes), a custom build on a QR generation API, or an integration with the ticketing system you already have.

Informational QR Codes

For schedules, maps and content:

1. Make the destination (page, PDF, app link)
2. Generate a code pointing at it
3. Make it dynamic if there's any chance the content moves
4. Print a test at the real size and scan it from the real distance

Networking QR Codes

• Individual: each attendee makes their own vCard code
• On the badge: the event prints a unique code per badge that opens the attendee's profile
• In the app: the event app generates a code from the profile

QR Code Placement at Events

On Badges

The code is always with the attendee and scanned from close range, so 2 cm works and 2.5 cm is comfortable. A badge can carry two codes: one for check-in and session tracking, one for networking.

On Signage

The QR code size guide has the working for other distances.

On Printed Materials

Program cover to the live schedule. Session handouts to the slides. The printed map to the interactive one. Badges to the networking profile.

On Screens

Speaker slides for contact or resources, digital signage for the schedule and sponsors, kiosks for self check-in.

Event QR Code Analytics

What to Track

Using the Data

During: open an overflow room when a session's scans pass capacity; compare registered against checked-in to size the catering; move staff to the booth that's busy.

After: program next year from session popularity, show sponsors their scan counts, and find the people who scanned everything for the speaker and ambassador list.

Integration with Event Platforms

Most platforms already generate the ticket and badge codes:

Use the platform's codes for tickets and check-in, where the data has to match the registration list. Use your own dynamic codes for signage, marketing materials and anything you want to count separately.

Best Practices

Before

• Print every code at its real size and scan it
• Check every link on an iPhone and an Android
• Train the door staff, and rehearse the failure case
• Have a manual check-in fallback (name lookup) ready
• Send ticket codes days ahead, not the morning of

During

• Staff at the door with charged devices and a spare battery
• Light at the check-in point; a dim lobby is where scanning fails
• Signs that say which lane is QR check-in
• Someone watching scan data for a station that's stopped scanning
• Feedback codes up while sessions are fresh

After

• Export the scan data
• Join it to the registration list for no-show rates
• Hand exhibitors their leads the same week
• Note what to change next time while it's still annoying

Frequently Asked Questions

Can attendees share their ticket QR codes?

They can screenshot it, yes. Defences: make the code single-scan so the second person is refused at the door, check photo ID for high-value tickets, or tie the ticket to the registrant's email or phone. Single-scan is enough for most events.

What's the difference between a registration QR code and a ticket QR code?

A registration code is one shared link, on posters, emails and screens, that anyone can scan to reach the sign-up form. A ticket code is generated per attendee after registering, encodes a unique ID, and is single-use. Most events need both.

How does an organizer scan QR code tickets at the door — do I need a special scanner?

A phone is enough, running the check-in app from your ticketing platform; most offer one free. Bluetooth handheld scanners and tablet kiosks are faster at scale. Live validation needs internet, so download the attendee list beforehand so check-in survives a dropped connection.

What if an attendee's phone dies at check-in?

Look them up by name or email, accept a ticket saved to Apple or Google Wallet (which works with the phone off the network, though not off entirely), or accept the confirmation number from the email. Never make the code the only way in.

How do I track which sessions attendees actually attend?

A unique code at each session door, scanned on the way in. That gives you attendance per session rather than per event. Make it optional for most sessions and required where continuing-education credit depends on it.

Should I use the same QR code for multiple events?

No, and never for tickets. Reusing ticket codes across events is a security hole and makes the data unreadable. A dynamic signage code can be re-pointed to next year's schedule, but tickets are unique per event.

How large should QR codes be on event badges?

At least 2 × 2 cm (0.8 in) for handheld scanning. If exhibitors will scan from a little further away at a booth, 2.5 to 3 cm. Test with the real badge stock and the real scanners.

Can QR codes work offline at events with poor WiFi?

The scan itself is offline; validation usually isn't. Cache the attendee list on the scanning devices before doors open, put the scanning stations on their own connection, and use a check-in app that queues scans and syncs when the connection returns. Assume the venue WiFi will fail at the worst moment.

Summary

Unique codes for tickets, dynamic codes for anything that might change, vCards on badges, and a manual fallback at the door. Do those four and a 10,000-person conference checks in like a 100-person workshop, and you leave with data on what people actually attended. For the rest of the planning, see event management best practices.

Ready to make the codes? Start with the free generator for signage and program codes, or sign up for dynamic codes with tracking. The Pro trial is 14 days, no card required.