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Calendar event QR code generator

Enter the event name, start and end time and the location. Scanning the code offers to add the event to the phone's calendar, so people don't forget it.

Design: colors, shape and logo
Modules
Eyes (corners)
Error correction
Logo in the middle

Your logo stays on your device. It's placed in a cleared area and error correction is raised to H (30%), so the code still scans.

Checking that it scans…

Version 10 · 57×57 modules · error correction M

What the code contains
BEGIN:VCALENDAR
VERSION:2.0
BEGIN:VEVENT
SUMMARY:Spring open house
DTSTART:20270417T100000
DTEND:20270417T140000
LOCATION:500 Market St\, San Francisco
END:VEVENT
END:VCALENDAR

Made in your browser. Static code: it never expires and has no scan limit.

How to use it

  1. Enter the event title, start and end time.
  2. Add the address or a video-call link as the location.
  3. Download the code for your invitation, poster or slide.

Times are local to the scanner

The code holds a "floating" time: 10:00 means 10:00 wherever the phone is. That's right for in-person events. For an online event with people in several time zones, state the time zone in the details and consider linking to a calendar invite instead.

Phone support

The iPhone camera recognizes event codes and offers Add to Calendar. Many Android camera apps show the text instead; Google Lens and most scanner apps offer to add it. If your audience is mixed, a link to an .ics file or a Google Calendar invite in a URL code works everywhere.

Frequently asked questions

Can I add a reminder?

Not reliably. Calendars add their own default alert when the event is saved. Mention the time clearly in the details instead.

Can I make a recurring event?

This generator makes one-off events, which is what most posters and invitations need.

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Updated November 10, 2026 by the Cuelark Team.