Print Size Calculator
Input expected scan distances and retrieve mathematically optimal printed dimensions for simple URL or dense vCard formats.
Qodex Interactive QR Code & Campaign Tools
Ensure absolute scannability and high marketing conversions for your print campaigns with our professional suite of technical calculators and checkers, engineered by Qodex AI QR Code Generator SaaS.
Open Calculator
Scan Distance Calculator
Determine the maximum physical scanning distance for existing codes based on printed size and payload density.
Color Contrast Checker
Validate foreground and background hex color luminance parameters against digital WCAG 2.1 AA scannability standards.
Logo Safety Checker
Calculate safety thresholds for brand logo overlays to avoid covering critical Reed-Solomon data grid locations.
Readability Simulator
Apply simulated filters like glare, low light, and out-of-focus camera conditions to verify design scannability.
Campaign ROI Calculator
Track offline print advertising conversions, gross campaign values, and net marketing return on investment.
URL Validator & Secure Check
Check destination links for syntax errors, active status, SSL/HTTPS configuration, and mobile routing speed.
Error Correction Explorer
Damage individual matrix grid cells in real-time to visualize Reed-Solomon redundancy capabilities at different ECC levels.