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Tutorials, deep-dives, and practical guides for the most feature-rich free QR code generator.
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- How to Make a WiFi QR CodeA practical step-by-step tutorial for printing a WiFi QR that guests can scan to join your network.
- TOTP 2FA QR Codes ExplainedA deep dive into the
otpauth://URI format, base32 secret encoding, and RFC 6238 TOTP math. - Swiss QR-bill TutorialEverything about the 31-line SPC format required by Swiss banks, from IBAN to creditor reference to the mandatory Swiss cross overlay.