QR Code Types Explained
Deep dives into each QR code content type — URL, WiFi, vCard, calendar, Bitcoin, and more. Encoding formats, compatibility, and best practices.
URL QR Codes: The Complete Guide
Everything about URL QR codes: encoding, best practices, UTM tracking, URL shortening, and common mistakes.
WiFi QR Codes: Share Network Credentials Instantly
How to create WiFi QR codes: the WIFI: URI scheme, security types, hidden networks, and placement strategies.
vCard QR Codes: Digital Business Cards That Work
Comprehensive guide to vCard QR codes: vCard 3.0 format, field encoding, size optimisation, and compatibility across devices.
Email QR Codes: Pre-filled Messages on Scan
Creating mailto: QR codes with pre-filled recipient, subject, and body. URL encoding, length limits, and client compatibility.
SMS QR Codes: One-Tap Messaging
Generate smsto: QR codes for SMS with pre-filled phone number and message. Carrier compatibility and character limits.
Phone Number QR Codes: One-Tap Calling
Creating tel: URI QR codes for instant calling. International format, country codes, and use cases from business cards to emergency …
Calendar Event QR Codes: Add Events With a Scan
Encoding iCalendar VEVENT data in QR codes: date/time formatting, time zones, recurring events, and cross-platform testing.
Bitcoin Payment QR Codes: BIP 21 URI Guide
BIP 21 bitcoin: URI format for payment QR codes. Address formats, amount parameters, and wallet compatibility.
Geographic Location QR Codes: Share Coordinates
geo: URI and Google Maps URL QR codes for sharing locations. Coordinate formats, maps app compatibility, and use cases.
WhatsApp QR Codes: Start Conversations Instantly
Creating wa.me deep link QR codes for WhatsApp. Pre-filled messages, international phone format, and business account integration.
App Store QR Codes: Cross-Platform Download Links
QR codes for app downloads: direct store links, smart redirects, Universal Links, and platform detection strategies.
Social Media QR Codes: Profile and Channel Links
QR codes for social media profiles: Instagram, TikTok, YouTube, LinkedIn, and multi-platform link trees.
PDF QR Codes: Link to Documents
Linking QR codes to PDF documents: hosting options, file size considerations, and use cases for menus, manuals, and brochures.
MeCard vs vCard: Which Contact Format to Choose
Comparing MeCard and vCard QR code formats: data size, field support, device compatibility, and recommendations.
Plain Text QR Codes: Serial Numbers, Messages, and Raw Data
When and how to use plain text QR codes: serial numbers, internal identifiers, messages, and raw data encoding strategies.