Transform Document Scanning with ScanIt: Fast & Private OCR AppTransform Document Scanning with ScanIt: Fast & Private OCR App
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Ahtisham's avatar
Ahtisham Hasan Khan
• May 10
Problem: Users need a fast, reliable, and secure way to digitize physical documents and extract text without relying on privacy-invasive cloud processing.
Solution: I developed ScanIt, a native iOS utility built with SwiftUI and VisionKit. The app provides a professional scanning experience, focusing on high-speed edge detection, automatic perspective correction, and on-device OCR.
Key Engineering Highlights:
VisionKit Integration: Leveraged Apple’s VNDocumentCameraViewController for seamless, native document capturing with automatic shutter and real-time guidance.
On-Device OCR: Implemented the Vision Framework for high-accuracy Optical Character Recognition (OCR), allowing users to search, copy, and share text directly from images without an internet connection.
Advanced PDF Processing: Built custom logic for PDF generation, compression, and digital signature integration to ensure documents are office-ready.
SwiftUI Performance: Optimized the UI for speed and responsiveness, ensuring large multi-page scans remain fluid and memory-efficient.
Privacy-First: Designed the architecture to keep all document processing local to the device, prioritizing user security.
Product ManagementiOS DevelopmentSoftware ArchitectureSwiftUISwiftFigma
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