# VividQR > VividQR is a modern, privacy-first, free custom QR code generator web application that allows users to create stunning, brandable QR codes with custom gradients, shapes, eye patterns, and center logos, exportable in high-resolution SVG and PNG formats. ## Key Information - Website: https://qr.jakkrawon.com - Pricing: 100% Free, No sign-up required, Unlimited generations - Privacy: 100% Client-side generation (No user data, URLs, or images are uploaded to any server) - Export Formats: SVG (infinite vector scalability), PNG (up to 4096px Ultra HD) ## Core Capabilities - **Supported Content Types**: URLs/Links, Plain Text, WiFi Networks (WPA/WPA2/WPA3, WEP, Open), Contact Cards (vCard 3.0), Email (with subject & body), Phone Numbers, SMS Messages, and Cryptocurrency Addresses (Bitcoin, Ethereum, Solana, USDT). - **Styling & Customization**: - Linear and radial gradients, custom color stops, solid colors. - Body module dot shapes (squares, rounded dots, extra rounded, classy, classy rounded, elegant). - Corner eye square frame styles and inner eye ball styles. - Background color and transparent background support. - **Branding & Logos**: - Center logo uploads (PNG, SVG, JPG, WebP) with automatic background clearing and size scaling. - Built-in social & app logo presets (Instagram, YouTube, TikTok, X/Twitter, WhatsApp, GitHub, LinkedIn, Facebook, Discord, Telegram, Spotify, etc.). - **Error Correction**: Configurable Reed-Solomon Error Correction Levels (L: 7%, M: 15%, Q: 25%, H: 30% for maximum logo scanning reliability). - **Template Presets**: Save and load custom styling templates locally. ## Full Documentation & Knowledge Digest - Detailed documentation for AI systems: https://qr.jakkrawon.com/llms-full.txt ## Discovery Endpoints - [Home](https://qr.jakkrawon.com): Main application and custom QR generator - [Sitemap](https://qr.jakkrawon.com/sitemap.xml): Complete URL index - [Robots](https://qr.jakkrawon.com/robots.txt): Crawler policy