Mobile document scanning has become a baseline feature for productivity apps — think expense reports captured from receipts, signed contracts photographed in a meeting room, or ID documents registered at a service counter. Building such a feature from scratch, handling perspective correction, edge detection, and multi-format export, is a significant...

Machine Readable Zone (MRZ) scanning is a critical feature in identity verification, border control, hotel check-in, and know-your-customer (KYC) workflows. Passports and ICAO-compliant ID cards embed personal data in two or three lines of OCR-B printed text at the bottom of the data page — the MRZ. A mobile app...

Barcode scanning is an essential tool for modern inventory management. It improves accuracy, efficiency, real-time tracking, and cost savings, making it a critical component of any effective inventory management system. In this article, we will build a Flutter barcode scanner capable of simultaneously reading multiple 1D barcodes, QR codes, and...