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What a QR Code on Your Shop Window Can Do After You Close

A shop window QR code keeps selling after you close: bookings, orders, browsing, sign-ups and reviews. Sizing, placement and seasonal changes.

By AriaQR Team · · 5 min read

A miniature white shopfront with a round blank decal on the glass and a lime lamp glowing inside, where a shop window QR code would sit after closing.

What does your shop window do at 11 pm? For most stores, nothing: people walk past, glance at the display, and forget it by morning. A shop window QR code changes that, because it lets them book, order, browse or sign up right there on the sidewalk, long after you have locked the door.

Your window is the one piece of advertising that is already paid for, already in the right street, and already seen by people who live or work nearby. A code turns that glance into a next step.

Who walks past your window after hours?

Think about the evening crowd. People on the way home from work. Diners heading to the restaurant next door. Neighbors walking the dog. Weekend visitors who will not be back on a weekday.

They see the window at exactly the moment you cannot serve them. Most of them are not ready to buy right now. But some would book an appointment, save a product, or join a list, if it took ten seconds and no typing.

That is the whole case for a window code: it serves the people who notice you when you are not there.

A boutique window at night with a warm display and a plain blank card on the glass where the code goes

What can a shop window QR code do after you close?

Pick one job for the code and write it on the decal. A few that work well:

  1. Book an appointment. Salons, barbers, tailors, opticians and studios can point the code at their booking page. AriaQR has a booking code type for exactly this.
  2. Order or reserve. Bakeries and delis can open an order form for tomorrow's pickup. Boutiques can open the product in the window.
  3. Browse the full range. The window shows six pieces. The code shows all of them, with sizes and prices.
  4. Join a list. "Scan to hear about new arrivals first" collects the people who liked the window enough to want more.
  5. Read reviews. Someone deciding whether to come back tomorrow trusts other customers more than your sign.
  6. Check hours and directions. Simple, but useful for the person who wants to return on Saturday.

You can combine several of these on one mobile page with opening hours, a map, a booking button and a sign-up form. AriaQR landing pages are built for that, and the code points straight at them.

How big should a window decal QR code be?

People read a window from the sidewalk, not from arm's length. So the code needs to be bigger than the one on your business card.

A common rule of thumb: the code should be about one-tenth as wide as the distance people scan from.

A sizing chart for a shop window QR code: half a meter away needs about 5 cm, one meter about 10 cm, two meters about 20 cm, three meters about 30 cm

A few practical notes:

  • Eye height. Center the code roughly at the height of a standing adult's eyes. Too low and people have to crouch; too high and the angle gets awkward.
  • Inside the glass. Order a decal printed to face outward from the inside. It stays clean, cannot be peeled off from the street, and is much harder to cover with a fake sticker.
  • Watch the glare. Streetlights and headlights bounce off glass at night. Stand where customers stand, at night, and scan the proof before you commit to a spot.
  • Light behind it. A dark shop behind a dark code is hard to read. Leave a small light on in the window, or place the code against a light panel.
  • Add words. "Book after hours", "See the full collection", "Order for tomorrow". The label is what makes people stop.

Change the destination with the season

A window decal is not cheap to replace, and nobody wants to scrape glass every month. The answer is a dynamic code: the decal stays the same, and you change where it goes.

  • Before the holidays, point it at your gift guide.
  • In January, point it at the sale.
  • When a new collection lands, point it at the lookbook.
  • During a refit, point it at your temporary location or online shop.

Every change happens in the dashboard. The printed code keeps working, and the scans keep counting. Our guide on editable destinations and alerts shows how this works, including alerts if the page ever breaks.

Make the window code look like the window

Your window display is designed. The code should be too. A plain black square in the corner of a careful display looks like a parking notice.

With AriaQR, the code can be your logo or your signature product, with the code living inside the picture. Here is a real one made from a boutique's logo:

A boutique logo with a crescent moon turned into a scannable QR code

Each code is verified on real decoders under real-world conditions before you download it, and a large print file is included for the decal printer.

See when people scan

Window codes tell you something you could never see before: when the street notices you. The hour-of-day view shows scans in the scanner's local time, so you can see whether people scan at lunch, after work, or late on a Friday.

If most scans happen after closing, that is a signal. Maybe later hours on Thursdays would pay. Maybe the booking page deserves more attention than the counter. The QR code analytics explained guide covers what each number means and its limits.

Where to start

Choose one after-hours job for the window: book, order, browse or join. Build a simple mobile page for it, point a dynamic code at it, and order a decal sized for the sidewalk. After a month, check the hour-of-day chart and change the destination if the season calls for it.

Questions people ask

How big should a QR code be on a shop window?+

A common rule of thumb is one unit of code width for every ten units of scanning distance. For people standing about a meter from the glass, aim for a code around 10 cm wide, and go larger if they read it from the curb.

Should a window QR code go inside or outside the glass?+

Inside is usually better. A decal printed to face out through the glass stays clean, cannot be peeled off from the street, and is harder for someone to cover with a fake sticker.

Can I change where my shop window QR code goes?+

Yes, if it is a dynamic code. The printed decal stays the same while you point it at a holiday offer, a new collection or a booking page whenever you like.

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