Fake QR codes: how to scan safely before you open a link or pay
Spot fake QR codes: stickers over real ones, look-alike websites, pages asking for your OTP. Check a link before you open it and the payee before you pay.
Articles
How to use PromptPay QR codes, barcodes and tracked QR codes: practical guides and tips for shops and businesses.
Wedding gift money QR code in Thailand: a free PromptPay sign
Make a free PromptPay QR code for wedding gifts in Thailand: no amount, the account name guests should see, where to put the sign, and how to test it.
QR code error correction levels L, M, Q, H: can you add a logo?
What QR error correction levels L, M, Q and H mean (about 7, 15, 25 and 30%), the trade-off with dot density, why logos need H, and what QRnaka automates.
QR code won't scan? Print size and how to test before printing
Why printed QR codes fail to scan: too small, weak contrast, no quiet zone, too much data, glare. The size rule of thumb and a test with several phones.
Why a QR scan shows ads, and how to check before you print
Ads or an in-between page after a scan usually come from a free dynamic QR plan, a link shortener or the scanner app. How to check before printing.
vCard QR code for business cards: one scan saves your contact
Put a vCard QR code on your business card so people save your name, number and e-mail in one scan. What to fill in, keeping it scannable, and testing.
TrueMoney Wallet QR code: make a free payment QR with an amount
Make a free QR code that lets people pay into your TrueMoney Wallet, with an optional amount and message. When it beats PromptPay, and how to test it.
PromptPay QR: mobile number, citizen ID or company tax ID?
Which PromptPay ID to put in your QR code: mobile, citizen ID, tax ID or e-Wallet. What payers see, the privacy catch, and when bill payment fits better.
PromptPay payment sign: a free, print-ready scan-to-pay card
Make a scan-to-pay PromptPay sign for free: shop name, the account name customers should see, A6, A5 or business-card size, on A4 with cut lines.
PromptPay QR code with an amount: make one free, step by step
Make a PromptPay QR code that fills in the amount for your customer, free and with no sign-up. When to leave it blank, which number to use, how to test it.
Photo QR codes for menus and posters: scan to see the pictures
A photo QR code opens your menu, poster or product photos as soon as it is scanned, with no ads, and you can change them later. For members: 30-day free trial.
Funeral and merit-making QR code: a clear PromptPay donation sign
Make a free PromptPay QR code for donations at a Thai funeral or merit-making ceremony: no amount, a clear payee, a name to compare, and a test first.