The QR code for your wedding RSVP:
what to print, and what guests see after the scan.

There are two honest ways to put an RSVP QR code on paper, and they suit different couples.

The 5x7 invitation (12.7 x 17.8 cm, portrait) is the printed invitation itself, with the QR code built into the design. It carries your names, the opening line, the date, the venue, an optional dress code and the code. For couples who want one printed piece and the rest online.

The insert card (10 x 7 cm, landscape) is the small card that slips into an envelope with a paper invitation you already love. It reads 'You're invited', your names, the date and venue, and 'Scan QR code to RSVP' next to the code. For couples who are keeping a letterpress or stationer's suite and replacing only the reply card.

In The Private Wedding App both live in the builder's QR Print Card tab, side by side: tap one and the preview switches.

How the scan becomes a reply: the QR code wedding RSVP, explained.

Whatever you print, keep the card to what a guest needs before they scan. Everything else, the schedule, the hotels, the dress code details, the menu, lives behind the code and can be changed after printing. Paper cannot.

• An opening line: "Together with their families" is the default, change it to your own
• Your names, with a plain & or a script "and" between them
• The date, and the venue with its town
• The dress code, if there is one (5x7 card only, leave it blank to omit it)
• One instruction: "Scan to RSVP", or with your reply-by date, "Kindly reply by 1 May"
• The QR code, and the short link under it for anyone who prefers to type

The card starts from your designer theme, so it already carries the invitation's colours, fonts and card photo: apply Sage Green Botanical, Blue Bridgerton or Black & Gold and the printed card changes with it. The card photo is your cover photo by default; upload a different one (up to 20 MB) and set its crop and position, with a dark overlay switch and your own text colour.

For legibility over a photo, the glass effects put a frosted band behind the date, venue and dress code, or behind your names, or both on one card, in white, ivory, terracotta or any colour, with an opacity slider. A small separator (a line, a botanical sprig, an art deco motif or dots) can sit between the names and the details. You drag the names, the details band and the code to place them, and 'Reset positions' puts everything back.

Bilingual wedding? Print one card per language: the same tab switches the card to your second or third invitation language.

Every theme, with its printed card: invitation themes.

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The code on the card is your invitation's private link, the same one you send by WhatsApp or email, so a printed code and a forwarded link land on the same RSVP. On the 5x7 card it sits in a white box by default, the most reliable option to scan. 'White, no background' prints white modules straight onto a dark design: elegant on a black or navy card, but scan the preview with your phone before printing.

Print the code no smaller than about 2.5 cm (1 inch) square. Keep it flat, away from folds and foil, with clear space around it. Then do the only test that matters: print one card at home, at 100% scale, and scan it with an old phone in dim light.

What happens once it is scanned is on QR code RSVP.

'Download PNG' gives you a high-resolution file at the card's real size, the best option for thick card stock or a print shop. 'Print' sends only the card to your printer at true size: keep scaling at 100% and switch background graphics on in the print dialogue, or the browser drops the photo or colour.

Making your own paper invitations, or using a stationer's design? 'Download sticker sheet (12 per page)' gives you twelve identical 2-inch (5 cm) QR stickers on one US Letter page at 300 dpi. Print on square label sheets, peel, and stick one on each invitation or envelope.

The scan opens your digital invitation on their phone, starting with your theme's opening (an envelope with a wax seal, doors, a watercolour scene) and then the cover with your names, the date and a Confirm Attendance button. On a bilingual invitation they pick their language once and everything after it is in that language.

The RSVP asks what you chose to ask: their name and email, attending or not, each person in their party with their own answer, the meal choice with your menu descriptions, dietary notes and a severe-allergy question, plus-ones if you allow them (up to 3 by default, or a set number per guest), and optionally a song request and a note for you. After sending, they see your thank-you message and, if they gave an email, receive a confirmation.

Every answer lands in your guest list at once, with meal counts and a red flag on any severe allergy, ready for the seating chart and the caterer's day sheet. Guests who change their minds scan again and send a new answer, which replaces the old one instead of creating a duplicate.

Meals and allergies in detail: meal and allergy tracker.

Print the reply-by date on the card, usually 4 to 6 weeks before the wedding, and set the same date in the RSVP Settings tab. On the invitation it shows as a reply-by line, which disappears once the date has passed. It does not lock the form: late replies still come in until you switch 'RSVPs are open' off, which is usually what you want when a cousin answers two days late.

To chase the people who have not answered, switch on 'Remind guests who haven't replied by email' (off by default): guests with an email who are still pending get at most two reminders before the date, and the WhatsApp button on each guest row covers everyone else.

Timing in detail: when to send invitations and set the RSVP deadline.