Learn how to generate QR Codes inside Excel and Google Sheets using an image formula — including bulk generation, one QR per row. Step-by-step, common mistakes and tips.
Understand the QR Code on electronic receipts (NFC-e/NFe): how to scan and verify authenticity, and how retailers can add a marketing QR to the receipt.
Learn how to scan a QR code on your computer: image upload, webcam, Google Lens, and native Windows & Mac apps. Complete step-by-step guide.
Bank slips use barcodes, not QR Codes. Brazil's payment QR Code is Pix. Learn the difference, compare both methods, and see how to charge customers with a Pix QR.
Turn your product catalog into a scannable QR Code. Learn how to use WhatsApp Business, PDF, link-in-bio and where to place the QR to boost sales.
Learn how to create a colored, branded QR Code that still scans on any phone. Contrast rules, design tips, step-by-step guide, and common mistakes to avoid.
Learn what Facebook offers natively and how to create your own QR Code linking to your Page, group, or Messenger. Practical, trackable tutorial.
Learn how to create a free QR Code with no catch: what's free forever, what costs money, step by step, PNG vs SVG, logos, colors, and the generators that expire.
Got a QR Code sent via WhatsApp or saved as a screenshot? Learn how to scan QR codes from your gallery on iPhone, Android or PC — no camera needed.
Learn to scan QR Codes on any Android: native camera, Google Lens, Samsung Bixby, Xiaomi and Motorola. Step-by-step guide, brand table and security tips.
Learn to scan QR Codes on iPhone using the native camera, Control Center shortcut, or a saved photo. Step-by-step, common mistakes, and security tips.
Learn when to use a vector SVG QR Code or a raster PNG: large-format printing, web, social media, and email. The right choice prevents a pixelated, unreadable QR.
