Does the event get added automatically?

No. The user is prompted to confirm before the event is saved to their calendar.

Which calendar app opens?

Whatever the user has as default — Apple Calendar, Google Calendar, Outlook, Fantastical. All of them read the iCalendar VEVENT standard.

Do I need to worry about time zones?

This generator converts your local start/end into UTC so the event lands at the correct wall-clock time whichever time zone the scanner is in.

Can I add a description or attendees?

Not from this generator — it covers the four most-scanned fields. For rich events with descriptions and RSVP, host an .ics file and use a URL QR pointing to it.

What about recurring events?

The RRULE syntax exists in iCalendar but many scanners don't handle it reliably from a QR. Use a URL QR pointing to a Google Calendar link for recurring meetings.

Will the event save on Android?

Yes, as long as the phone has Google Calendar (or Samsung Calendar / Outlook Mobile) installed and set as the default calendar handler.

Is the event data stored on your servers?

No. The VEVENT block is generated locally in your browser and encoded directly into the image.

How long ahead can I schedule?

There's no upper limit — the VEVENT format handles dates decades ahead. But if the event details change, the QR won't update; reprint if needed.

Calendar Event QR Code Generator

Create a QR code that, when scanned, prompts the user to add an event to their calendar — title, location, start and end time. Ideal for invitations, posters, and printed tickets.

Your files never leave your device. No upload. No sign-up.

Running locally

A calendar-event QR code encodes a minimal iCalendar VEVENT block (BEGIN:VEVENT … END:VEVENT). When scanned, the phone prompts the user to add the event — title, location, start and end time — to their default calendar app in one tap. Ideal for wedding invitations, conference programs, meetup posters, and printed tickets where you want people to save the date without typing. Times use the compact iCalendar form YYYYMMDDTHHMMSS, and appending Z makes them UTC. That choice matters more than it looks: a floating local time is interpreted in the scanner's own timezone, which is right for a physical venue and wrong for anything remote, where UTC prevents attendees in other zones saving the wrong hour. Keep the description short, since long text inflates the pattern. Support is good on iOS and Android but uneven on desktop scanners, and recurring events are not reliably handled at all.

Event titleLocationStart (local time)End (local time)

QR color

#1E293B

Background

#FFFFFF

Generic QR generator

How does a Calendar Event QR code work?

The iCalendar format is standardised in RFC 5545 and every major calendar app (Apple Calendar, Google Calendar, Outlook, Fantastical, Notion Calendar) understands VEVENT blocks. Start and end times are converted to UTC with a Z suffix (DTSTART:20260722T140000Z) so the event lands correctly regardless of the scanner's time zone. iOS 12+ recognises VEVENT payloads inside QR codes natively; Android support depends on the calendar app the user has installed, but Google Calendar and Samsung Calendar both handle it.

Common mistakes and limitations of Calendar Event QR codes

Static QR codes bake the event details in at print time — if the date, venue or start time changes, the QR is stale. Complex events (recurring schedules, invited attendees, custom time zones, descriptions with rich formatting) don't fit reliably; keep the payload to title, location, start and end for the widest scanner support. Very long payloads make the QR dense and slower to scan. For rich events with descriptions and attendee lists, host an .ics file on your website and use a URL QR pointing to it.

Where Calendar Event QR codes get used in practice

Weddings, conferences and community organisations are the main users. A QR on an invitation that drops the date, time and venue straight into the guest's calendar measurably reduces the number of people who forget, and it removes the transcription errors that cause someone to arrive on the wrong day. Conference programmes use one per session so attendees can build a personal schedule, and venues put them on posters for recurring event series. The operational weakness is that static event QRs cannot be updated, which collides directly with the fact that events get rescheduled. Anyone printing at volume should think about what happens if the date moves: the usual mitigations are to print the event QR only on materials produced close to the date, or to use a URL QR pointing at an .ics file hosted on a domain you control, so a change updates every scan that happens afterwards. For a wedding invitation posted eight weeks out the static version is fine; for a conference programme printed six months ahead it is a real risk.

Printing a Calendar Event QR code so it actually scans

A minimal VEVENT block with title, location and two UTC timestamps runs roughly 120 to 200 characters, putting it in the same density band as a vCard. Expect a version 6 to 9 code and print at 2.5 cm or larger. Event QRs are most often printed on invitations, programmes and tickets, which are frequently produced on textured or coloured stock for aesthetic reasons. Texture is the bigger risk: a laid or linen finish breaks up fine modules and can defeat a dense code entirely. If the stock is textured, either enlarge the code or shorten the payload by trimming the location field to a venue name rather than a full address. A practical trick for long event titles is to move detail into the location field or drop it altogether, since the calendar entry only needs enough for the attendee to recognise it. Every character removed lowers the version and improves scan reliability on difficult stock.

Questions8

Calendar Event QR code FAQ

Does the event get added automatically?: No. The user is prompted to confirm before the event is saved to their calendar.
Which calendar app opens?: Whatever the user has as default — Apple Calendar, Google Calendar, Outlook, Fantastical. All of them read the iCalendar VEVENT standard.
Do I need to worry about time zones?: This generator converts your local start/end into UTC so the event lands at the correct wall-clock time whichever time zone the scanner is in.
Can I add a description or attendees?: Not from this generator — it covers the four most-scanned fields. For rich events with descriptions and RSVP, host an .ics file and use a URL QR pointing to it.
What about recurring events?: The RRULE syntax exists in iCalendar but many scanners don't handle it reliably from a QR. Use a URL QR pointing to a Google Calendar link for recurring meetings.
Will the event save on Android?: Yes, as long as the phone has Google Calendar (or Samsung Calendar / Outlook Mobile) installed and set as the default calendar handler.
Is the event data stored on your servers?: No. The VEVENT block is generated locally in your browser and encoded directly into the image.
How long ahead can I schedule?: There's no upper limit — the VEVENT format handles dates decades ahead. But if the event details change, the QR won't update; reprint if needed.

Event QR field reference

Field	VEVENT line	Notes
Title	SUMMARY:<value>	Required for the save prompt
Location	LOCATION:<value>	Free text; can be an address or venue name
Start	DTSTART:<UTC>	Local input converted to UTC
End	DTEND:<UTC>	Same format as start