// CLASSIFIED guides, tutorials, and tips for getting the most out of QR codes.
Make your QR codes instantly recognizable by adding your logo to the center. Learn how error correction makes it possible, get sizing tips, and create branded QR codes for free — no watermark, no sign-up.
Read more →The 10:1 scanning distance rule, a sizing cheat sheet for every print format from business cards to billboards, and why SVG matters more than you think. Get your QR code size right the first time.
Read more →Stop spelling out your WiFi password for guests. Learn how to create a scannable QR code that instantly connects any phone to your network — no typing required. Works with any router.
Read more →A vCard QR code lets anyone save your full contact info with a single scan. Here's how to create one for free and what information to include for maximum impact.
Read more →Digital menus via QR codes are now standard in restaurants worldwide. Learn how to create one for free, where to place it, and how to keep it updated without reprinting.
Read more →Accept payments faster with QR codes. Learn how to generate free payment QR codes for PayPal, Venmo, and CashApp — perfect for small businesses, freelancers, and event vendors.
Read more →Need 50 QR codes for an event, inventory labels, or marketing campaign? Learn how to batch-generate QR codes for free — no account, no per-code fees, no limits.
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