QR Code Generator
Customize, Download, Share - No Signup

User experience matters. We built this QR generator with thoughtful defaults and powerful flexibility. Need a phone number QR code? It automatically adds "+1" for US users - no manual formatting required. Want to preview your QR code before sharing? The on-screen preview stays compact and fast. But here is the game-changer: when you download, you can generate QR codes up to 10,000 pixels - perfect for billboards, large-format printing, or any scenario where massive resolution is critical. Most QR generators force you to choose between small file sizes or print-quality output. We give you both. The preview keeps your workflow snappy while downloads deliver professional-grade quality at whatever resolution you need.

QR codes have evolved from simple marketing tools to essential components of modern digital infrastructure, powering contactless payments, WiFi network sharing, event check-ins, product authentication, restaurant menus, and cross-platform data exchange. However, developers and businesses struggle to find a comprehensive QR code generator that supports all common QR code types, provides real customization options beyond basic colors, generates high-quality output in multiple formats, validates structured data formats like vCards and calendar events, and respects user privacy by generating QR codes entirely client-side without uploading sensitive data to servers. This professional QR code maker was created to provide developers, marketers, event organizers, and businesses with a complete QR code generation solution that supports 8 specialized QR code types, user-friendly prompts and smart defaults, massive resolution support (up to 10,000px), extensive customization including colors and error correction levels, generates web-optimized and print-ready output, and operates 100% offline to protect sensitive information.

Our QR code creator addresses critical workflows across industries. Whether you are a developer building a contactless payment system that needs standardized QR code generation, a marketing team creating campaign QR codes with brand colors and logo integration, an event organizer generating vCard QR codes for instant attendee networking, a restaurant owner creating dynamic menu QR codes that customers can scan to view offerings, a WiFi network administrator sharing secure network credentials via QR code without revealing passwords, or an IT professional creating pre-configured email or SMS QR codes for support workflows, this tool provides the format-specific fields and validation you need. Template-based forms for each QR code type guide you through required fields - no more manually formatting vCard syntax or WiFi network parameters. Real-time preview lets you verify QR code appearance and scannability before printing or publishing. Customization options include foreground and background colors for brand consistency, adjustable size for different use cases from business cards to banners, and four error correction levels (L 7%, M 15%, Q 25%, H 30%) to ensure QR codes remain scannable even when partially damaged or obscured by logos. Export formats include PNG for printing and digital display, JPEG for compatibility with legacy systems, SVG for infinite scalability and professional printing, and WEBP for modern web applications requiring smaller file sizes and faster loading.

Beyond QR code generation, this tool educates users on QR code best practices through comprehensive quick tips on contrast requirements for reliable scanning, size recommendations for various scanning distances, error correction trade-offs between data capacity and damage tolerance, and format selection guidance for different use cases. Understanding when to use high error correction for outdoor signage versus low error correction for maximizing data capacity in digital displays can mean the difference between reliable scanning and frustrating user experiences. The live preview provides instant visual feedback on color contrast issues that might prevent scanning on certain devices or in challenging lighting conditions. RJL.io is committed to building developer tools that combine powerful functionality with educational content and privacy-first design - and this QR code generator exemplifies that mission by delivering professional-grade QR code creation with comprehensive format support, extensive customization, and complete client-side processing to protect sensitive data.