How to Build a Cross-Platform Barcode, MRZ, and Document Scanner with .NET MAUI Blazor | Community Feed

Extracting structured data from barcodes, passports, and documents usually requires separate native implementations per platform. This tutorial uses .NET MAUI Blazor’s BlazorWebView to host the Dynamsoft Capture Vision SDK, delivering a single Razor codebase that handles all three capture modes.

What you’ll learn

How to set up Dynamsoft Capture Vision SDK in a .NET MAUI Blazor project
Platform-specific setup: Android WebChromeClient for camera permissions, macOS AVFoundation for native camera access
Three scanning modes: barcode reading, MRZ field extraction from passports/IDs, and document boundary detection
Live camera streaming with real-time decoding and overlay rendering
Browser-side homography for document perspective correction — no server round-trip