QR code and business card guides
Plain answers about QR codes, contact files and digital business cards.
Business cardsvCard format: versions, fields and CSV export
The vCard format explained: what changes between versions 2.1, 3.0 and 4.0, what each field means, and how to turn a .vcf file into CSV or Excel.
· 6 min read
Google reviewsGoogle review QR code sign: what to print
What to print on a Google review QR code sign or stand: the words, the code size, the stand, where to put it, and what Google says you must not write.
· 6 min read
QR codesHow to scan a QR code on a laptop or PC
Scan a QR code on a laptop or PC: the Windows Camera app, Snipping Tool, Chrome on Windows or Mac, and how to join WiFi from a WiFi QR code.
· 6 min read
Business cardsWhat is a digital visiting card? Make one free
A digital visiting card is your visiting card as a web page that opens from a QR code or a link. What it holds, how it works and how to make one free.
· 6 min read
Business cardsBusiness card size: mm, inches and pixels
A US business card is 3.5 x 2 in (88.9 x 50.8 mm), a European one 85 x 55 mm. Sizes by country, in pixels at 300 dpi, with bleed and a QR code.
· 6 min read
WiFiWiFi QR Code for Airbnb: Set It Up for Guests
How to set up a WiFi QR code for an Airbnb or holiday rental: a guest network, a printed sign, a backup for TVs and laptops, and what to do between stays.
· 6 min read
Google reviewsHow to Respond to Google Reviews (With Examples)
How to respond to Google reviews, good and bad: where to reply, what to write, ready examples, and what to do about a fake or unfair review.
· 6 min read
MenusWhat to Put on a Digital Menu for a Café
What to put on a digital menu for a café or restaurant: what guests look for first, prices and sizes, allergens, opening hours, and what to leave out.
· 6 min read
QR codesQR codes for small business: 9 practical ideas
Nine ways a small business can use QR codes: what each code should open, where to put it, what to print next to it, and how to tell if it works.
· 6 min read
QR codesHow to scan a QR code on iPhone and Android
Open the camera, point it at the code, tap the link. How to scan on iPhone and Android, from a screenshot, and what to do when the code will not scan.
· 6 min read
Business cardsHow to make a free digital business card
Make a free digital business card step by step: what to fill in, how it goes online, how people save your contact, and how to print its QR code.
· 6 min read
MenusQR code for restaurant tables: tents, stickers
How to print a QR code for restaurant tables: the size (3 to 6 cm), table tent or sticker, matte card, the white margin and a test before you print.
· 6 min read
QR codesHow to make a QR code for your Instagram profile
Two free ways to get a QR code that opens your Instagram profile: the one inside the app, or one made from your profile link. Steps, checks and pitfalls.
· 6 min read
Business cardsDigital business card vs paper: which to choose
Digital or paper business card? What each one does well, what the other person needs to open it, and how to carry both with one QR code.
· 6 min read
Business cardsWhat is a VCF file and how do you open it?
A VCF file is a contact card (vCard). How to open or import it on iPhone, Android, Gmail and Outlook, and what to do when Outlook will not take it.
· 6 min read
Google reviewsHow to Get More Google Reviews With a QR Code
Get more Google reviews with a QR code: find your review link, print a clear sign, ask every customer the same way, and avoid review gating.
· 6 min read
Business cardsShare a contact by QR code on iPhone and Android
How to share a contact with a QR code: what an iPhone and a Samsung phone can do on their own, and how to make one code that any phone can scan.
· 6 min read
Business cardsHow to add a WhatsApp QR code to a business card
Turn your number into a WhatsApp chat link, make a QR code from it and print it on your card. The exact link format, the checks, and the usual mistakes.
· 6 min read
Business cardsvCard QR code with photo: what really works
A printed vCard QR code cannot hold a usable photo, and most phones ignore a photo given as a link. What works instead, and what each way shows.
· 6 min read
Business cardsQR code size on a business card, menu or sign
On a business card, a QR code that holds a link should be at least 2 cm (0.8 in) wide, plus its white margin. A full contact needs 3 cm. How to check.
· 6 min read
WiFiHow to Share WiFi With a QR Code
Share your WiFi with a QR code: from your phone for one guest, or a printed sign for a shop or a rental. Steps, safety, and fixes when a scan fails.
· 6 min read
MenusHow to Make a QR Code Menu for Free
How to make a free QR code menu for a restaurant or café: three ways compared, the steps, the size to print, and whether the code can expire.
· 6 min read
QR codesDo QR codes expire? Static vs dynamic codes
A static QR code never expires: the link is in the pattern itself. A dynamic code works only while the service behind it does. How to tell them apart.
· 6 min read