Downloadable computer application software for mobile phones, namely, software for generating and scanning multiple barcode formats; Downloadable computer application software for mobile phones, namely, software for scanning existing barcodes from images and real-time using device camera; Downloadable computer application software for mobile phones, namely, software for customizing barcode appearance including colors, sizes, and adding text; Downloadable computer application software for mobile phones, namely, software for managing barcode generation and scanning history; Downloadable computer application software for mobile phones, namely, software for sharing and exporting barcodes in multiple formats; Downloadable computer application software for mobile phones, namely, software for batch creation of multiple barcodes simultaneously; Downloadable computer application software for mobile phones, namely, software for supporting template-based barcode generation; Downloadable computer application software for mobile phones, namely, software for performing web queries based on scanned data; Downloadable computer application software for mobile phones, namely, software for adjusting scanner sensitivity for different lighting conditions