[OCR File Format APIs for .NET Open Source .NET APIs for OCR Operations Open Source .NET APIs to Add OCR Capabilities to C# Apps & Perform OCR on scanned images & PDF files OCR File Format APIs for .NET Include Aspose.OCR for .NET Add Optical Character Recognition (OCR) functionality to their C# applications. It allows converting printed or handwritten text to digital format. Free-OCR-API-CSharp Open Source C# .NET Optical Character Recognition (OCR) API to recognize text from images, including scanned documents, PDFs, and photographs . Tesseract Open Source .NET Optical Character Recognition (OCR) API used to convert images (scanned images & PDF files) containing text into machine-readable text. Receipt-OCR Open Source C# .NET Receipt Optical Character Recognition (OCR) API that Instantly detects, extracts and recognizes all text and data on receipts through OCR.]