QRsvg

Guides

QR code guides

Everything we know about making QR codes that scan the first time: formats, sizes, error correction, logos, print, dynamic codes and the API. No fluff, real numbers.

  1. 01How to Create a QR Code: Step-by-Step Guide for BeginnersLearn how to create a QR code in minutes: pick a content type, enter your data, style it, download SVG or PNG, and test it on real phones before printing.9 min readRead
  2. 02SVG vs PNG QR Codes: Which Format Should You Download?SVG or PNG for your QR code? Compare vector and raster for print, logos, design tools, email and web, learn what a clean SVG is and avoid upload gotchas.9 min readRead
  3. 03Wi-Fi QR Code: Format, Escaping and How to Make OneMake a Wi-Fi QR code guests scan to connect instantly. Learn the WIFI: format, escaping rules, WPA/WPA2/WPA3, hidden networks, phone support and printing.9 min readRead
  4. 04vCard QR Code for Business Cards: Format, Size and TipsPut a vCard QR code on your business card so people save your contact in one scan. Covers the vCard 3.0 format, QR density, minimum print size and card tips.11 min readRead
  5. 05QR Code with Logo: How to Add One That Still ScansAdd a logo to a QR code without breaking it: error correction level, safe logo size (15-25%), knockout vs overlay, contrast rules, and a real-device test plan.10 min readRead
  6. 06Dynamic vs Static QR Codes: Which One Should You Use?Static vs dynamic QR codes compared: how each works, editable destinations, scan analytics, privacy, and which to pick for print, menus, Wi-Fi or vCards.7 min readRead
  7. 07QR Code Size and Print Guidelines: Minimum Size, DPI, Quiet ZoneHow big should a QR code be? The distance/10 rule, minimum module size, quiet zone, contrast, 300 dpi pixel formula, SVG and PDF export, materials, placement.10 min readRead
  8. 08QR Code Error Correction Explained: L, M, Q and H LevelsHow QR code error correction works, what levels L, M, Q and H recover, what they cost in size, which to pick for logos or print, and what they cannot fix.8 min readRead
  9. 09QR Codes for Restaurant Menus: A Practical PlaybookSet up QR code menus that get scanned: menu page vs PDF, dynamic codes you can update, table tent sizing, per-table ordering links, Wi-Fi codes and testing.9 min readRead
  10. 10Free QR Code API for Developers: SVG via a Single URLGenerate QR codes from a URL with the free qrsvg.app API: every parameter explained, curl, img tag, fetch and Next.js examples, rate limits, caching and CORS.8 min readRead