Print Size Calculator
Calculate the exact minimum physical print size required for your QR code based on scanning distance, module matrix, and error correction level.
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 readable distance for your print campaigns, billboards, and retail signage with 100% scanning accuracy.
Color Contrast Checker
Verify WCAG 2.1 compliance and optical scanner readability for foreground and background color pairings before printing.
Error Correction Optimizer
Balance data capacity against damage resistance. Choose optimal redundancy levels (L, M, Q, H) for industrial or outdoor use.
Logo Safety Zone Calculator
Calculate maximum allowable center logo dimensions without obstructing structural finder patterns or alignment modules.
Dynamic QR vs Static Comparison Tool
Side-by-side technical evaluation of routing architectures, analytics capabilities, and editability features.
Campaign ROI Predictor
Estimate scan volume, conversion velocity, and financial return on investment for offline print-to-digital marketing spend.
QR Code Density & Module Matrix Analyzer
Analyze grid density (Version 1-40) and module size to prevent camera focus failures on low-resolution smartphones.