Fix Wi-Fi QR Code Not Working β Common Errors & Solutions
Security mismatches, hidden SSIDs, special characters, 2.4/5 GHz, iOS/Android quirks β all the fixes in one checklist.
Read guide βQuick, practical guides for Wi-Fi, business cards, Maps, WhatsApp/SMS, PDFs, printing size, colors, logos, UTM tracking, and more.
Security mismatches, hidden SSIDs, special characters, 2.4/5 GHz, iOS/Android quirks β all the fixes in one checklist.
Read guide βHost, compress, and link your PDFs so they open instantly on mobile β menus, manuals, tickets, brochures.
Read guide βTurn a Maps share link into a QR for storefronts, events, and parking β plus print size tips.
Read guide βMake QR codes for links, text, Wi-Fi, or vCard β fully in your browser, no watermark.
Read guide βShare your contact with one scan. PNG vs SVG, size, and placement tips.
Read guide βExactly how big to print for cards, flyers, posters, and billboards. DPI rules included.
Read guide βAuto-join codes for homes, cafΓ©s, and offices. Supports WPA/WPA2, WEP, hidden SSIDs.
Read guide βCreate wa.me links with prefilled text and turn them into QR codes for chat-first support.
Read guide βLink users into your community or bot with a single scan β perfect for posters and packaging.
Read guide βOpen the SMS app with a prefilled message β perfect for feedback and quick support.
Read guide βMeasure scans in GA4 β campaign/source/medium best practices.
Read guide βHigh-contrast palettes, gradients that still scan, and quiet-zone rules.
Read guide βError correction, overlay size, and background boxes for complex logos.
Read guide βTickets, venue maps, agendas, and Wi-Fi β all via QR on badges and posters.
Read guide βLink PDFs or menu pages, print sizes for tables and entrances, and common pitfalls.
Read guide βWhen you need changeable links/analytics vs. fast, private, permanent QR codes.
Read guide βAnother angle on business card QR and format choice.
Open βFast cheat-sheet for minimum sizes and scan distance.
Open β