QR Studio - Offline QR Code Generator & Scanner

QR Studio is a fast, privacy-first, offline QR code generator, scanner, custom designer, and bulk batch manager that runs 100% locally in your browser. Generate, scan, customize, and batch-produce high-resolution QR codes without external server calls, tracking, URL redirects, or sign-ups. KEY FEATURES: 1. 100% OFFLINE & PRIVACY-FIRST • Zero tracking or analytics: Your data never leaves your device. • No redirection servers: Generates clean, direct static QR codes. • Fully functional offline: Create, design, scan, and export without an active internet connection. 2. COMPREHENSIVE QR TYPES SUPPORTED • Web: Standard website links, plain text notes, and custom app deep links. • Communication: Direct phone dialers, SMS messages, and email composition. • Connectivity: Wi-Fi network configuration (SSID, WPA/WPA2/WPA3, hidden networks). • Contacts: Digital business cards (vCard, MECARD). • Profiles: Direct links to personal or business social media channels. • Navigation & Events: Geographic coordinates, online map pins, and calendar event scheduling. 3. ADVANCED QR DESIGNER • Visual Customization: Custom module patterns, eye finder shapes, and corner styles. • Color Controls: Solid colors, linear gradients, and radial gradients. • Logo Embedding: Upload custom logos with auto-scaling, background padding, and shape rounding. • Designer Frames: Clean call-to-action badges, labels, and promotional banners. • Real-Time Scanability Check: Built-in validation guardrails with automated error-correction adjustments. 4. BUILT-IN QR SCANNER • Scan from Camera: Read codes instantly via your webcam or connected device camera. • Scan from File / Clipboard: Upload local images, drag-and-drop, or paste screenshots directly. • Safe Payloads: Malicious schemes (like javascript:) are neutralized and rendered as safe plain text. 5. BULK GENERATOR & PRINT LAYOUTS • Batch Import: Upload CSV or JSON files with automated column mapping. • Non-Blocking Web Workers: Generate hundreds of QR codes smoothly without freezing your browser. • Bulk Archive Export: Download all generated codes in a single ZIP file (PNG, SVG, JPG, WebP). • Print Sheets: Multi-page print layouts for standard A4 and Letter paper formats with customizable margins and labels. 6. LOCAL LIBRARY & BACKUP • Organization: Color-coded folders, tags, favorites, and search filtering. • History & Re-editing: Quickly modify, duplicate, or re-export past designs. • Full JSON Backup: One-click local library export and restore.