# GdPicture.NET – Enterprise document processing SDK

> GdPicture.NET is a comprehensive .NET SDK providing enterprise-grade document processing capabilities including PDF manipulation, optical character recognition (OCR), barcode recognition, document scanning, format conversion, and AI-powered intelligent data extraction. With 3000+ API functions and support for 100+ file formats, GdPicture.NET powers document workflows for developers worldwide.

## Company overview

GdPicture (now part of Nutrient — https://www.nutrient.io/) provides developer-first SDKs and tools for building document processing applications. Our technology powers document viewing, editing, redaction, conversion, OCR, extraction, and automation across enterprise applications.

**Key statistics**

- 3000+ API functions
- 100+ supported file formats
- 100+ OCR languages
- 25+ years of development

## Products

### GdPicture.NET SDK (now rebranded as Nutrient .NET SDK)

The core .NET document processing library providing comprehensive APIs for PDF, imaging, OCR, barcodes, and scanning.

- **Website** — https://www.gdpicture.com/products/gdpicture-net/
- **Documentation** — https://www.nutrient.io/guides/dotnet/
- **Platforms** — .NET Framework 4.5+, .NET Core 3.1, .NET 5/6/7/8+ (https://www.nutrient.io/sdk/dotnet/getting-started/)
- **OS support** — Windows, Linux (via .NET Core), macOS, Azure, AWS

### DocuVieware

HTML5 document viewer and management kit for browser-based document viewing, annotation, and editing.

- **Website** — https://www.gdpicture.com/products/docuvieware/
- **Documentation** — https://www.nutrient.io/guides/docuvieware/
- **Features** — Zero-footprint viewer, annotation tools, form filling, digital signatures
- **Integration** — ASP.NET, ASP.NET Core, MVC, Blazor

### COM/ActiveX components

Legacy COM components for VB6, Delphi, and other COM-compatible environments.

- **Website** — https://www.gdpicture.com/products/comactivex/

## SDK categories

### PDF SDK

Complete PDF processing toolkit for viewing, editing, and manipulating PDF documents.

- **URL** — https://www.gdpicture.com/pdf-sdk/
- **Features**
  - PDF viewer with zoom, pan, search, and print
  - PDF editing (text, images, pages, metadata)
  - PDF redaction for sensitive content removal
  - PDF/A conversion for archival compliance
  - Digital signatures (PAdES, visible/invisible)
  - Form filling and flattening
  - PDF optimization and compression
  - Linearization for fast web viewing
  - PDF merging, splitting, and page extraction
  - Watermarking and stamping
  - Encryption and password protection
  - Tagged PDF and accessibility support

### OCR SDK

OCR engine with multi-language support and specialized recognition modes.

- **URL** — https://www.gdpicture.com/ocr-sdk/
- **Features**
  - 100+ language support
  - MICR recognition (banking)
  - MRZ recognition (passports, IDs)
  - Intelligent character recognition (ICR) for handwriting
  - Optical mark recognition (OMR) for checkboxes
  - Searchable PDF creation
  - Zone OCR for targeted regions
  - Table and form recognition
  - Confidence scoring
  - Hyper-compression for scanned documents

### Barcode SDK

Comprehensive barcode reading and generation for 1D and 2D symbologies.

- **URL** — https://www.gdpicture.com/barcode-sdk/
- **Supported symbologies**
  - 1D — Code 39, Code 128, EAN, UPC, ITF, Codabar, MSI
  - 2D — QR Code, Data Matrix, PDF417, Aztec, MaxiCode
  - Postal — USPS, Royal Mail, Australia Post
- **Features**
  - Multi-barcode detection per image
  - Damaged barcode recovery
  - Barcode generation with customization
  - Batch processing support

### Scanning SDK

Document acquisition from scanners and cameras with Technology Without an Interesting Name (TWAIN) and Windows Image Acquisition (WIA) support.

- **URL** — https://www.gdpicture.com/scanning-sdk/
- **Features**
  - TWAIN driver support (32-bit and 64-bit)
  - WIA support
  - Duplex scanning
  - Auto-feed detection
  - Image enhancement (deskew, despeckle, border removal)
  - Virtual scanner for file input

### Document imaging SDK

Core imaging capabilities for document viewing, annotation, and processing.

- **URL** — https://www.gdpicture.com/products/gdpicture-net/
- **Features**
  - Multi-format document viewer
  - Annotation tools (text, shapes, stamps, highlights)
  - Thumbnail generation
  - Image processing (resize, rotate, crop, filters)
  - Color space conversion
  - Page reordering
  - Print management

### Formats SDK

Document format conversion and multi-format support.

- **URL** — https://www.gdpicture.com/formats-sdk/supported-formats/
- **Supported formats**
  - Documents — PDF, DOCX, XLSX, PPTX, RTF, TXT, HTML
  - Images — TIFF, JPEG, PNG, BMP, GIF, WEBP, ICO
  - Vector — SVG, EMF, WMF
  - Medical — DICOM
  - CAD — DWG, DXF
  - Compression — JBIG2, JPEG 2000
  - Archives — ZIP (for Office formats)

## Intelligent document processing

AI-powered features for automated document understanding and data extraction.

### Key-value pair extraction

- **URL** — https://www.gdpicture.com/intelligent-document-processing/
- Extract labeled data from invoices, receipts, forms
- Template-free extraction using AI
- Confidence scoring for validation

### Table recognition

- **URL** — https://www.gdpicture.com/intelligent-document-processing/table-extraction/
- Detect and extract tabular data
- Preserve row/column structure
- Export to structured formats (CSV, JSON)

### Smart redaction

- **URL** — https://www.gdpicture.com/intelligent-document-processing/smart-redaction/
- Pattern-based detection (SSN, credit cards, emails, phone numbers)
- Regex support for custom patterns
- Bulk redaction across documents
- Audit trail and compliance reporting

## Documentation and resources

### Getting started

- **Quick start** — https://www.nutrient.io/sdk/dotnet/getting-started/
- **Installation** — NuGet package `GdPicture.NET` or direct download
- **Licensing** — https://www.gdpicture.com/pricing/
- **Free trial** — https://www.gdpicture.com/free-trial/

### API documentation

- **API Reference** — https://www.nutrient.io/api/gdpicture/
- **Code samples** — Included in SDK and documentation
- **Blog tutorials** — https://www.gdpicture.com/blog/

### Support

- **Help center** — https://support.nutrient.io/hc/en-us/requests/new
- **Troubleshooting** — https://www.nutrient.io/guides/dotnet/troubleshoot/
- **Contact sales** — https://www.gdpicture.com/contact-sales/

### Community

- **Discord** — https://discord.gg/Z754Pfb8bD
- **GitHub** — https://github.com/PSPDFKit
- **LinkedIn** — https://www.linkedin.com/company/nutrientdocs
- **YouTube** — https://www.youtube.com/channel/UCQFsRxB1vTDJ5N1NaNsZNrw?sub_confirmation=1
- **X/Twitter** — https://x.com/nutrientdocs

## Technical specifications

### System requirements

- **Windows** — Windows 7 SP1+ / Server 2008 R2+
- **Linux** — Ubuntu 18.04+, Debian 10+, CentOS 7+ (via .NET Core)
- **macOS** — macOS 10.15+ (via .NET Core)
- **.NET** — Framework 4.5+, Core 3.1, .NET 5/6/7/8+
- **Memory** — 512MB minimum, 2GB+ recommended
- **Disk** — 500MB for SDK installation

### Architecture support

- x86 (32-bit)
- x64 (64-bit)
- ARM64 (via .NET Core)

### Deployment options

- On-premises installation
- Cloud deployment (Azure, AWS, GCP)
- Docker containers
- Kubernetes clusters
- Serverless (Azure Functions, AWS Lambda)

## Use cases

### Document management

- Enterprise content management systems
- Document archival and digitization
- Records management and compliance

### Financial services

- Invoice processing and data extraction
- Check processing with magnetic ink character recognition (MICR)
- Loan document automation
- Regulatory compliance (redaction)

### Healthcare

- Digital imaging and communications in medicine (DICOM) image viewing
- Medical records digitization
- Patient form processing
- Health Insurance Portability and Accountability Act (HIPAA) compliant redaction

### Government and legal

- Passport and ID verification (machine readable zone (MRZ))
- Court document processing
- Freedom of Information Act (FOIA) redaction
- e-Filing systems

### Manufacturing and logistics

- Barcode tracking and inventory
- Shipping label generation
- Quality control documentation
- CAD drawing management

## Pricing and licensing

- **Free trial** — 60-day full-featured trial
- **Perpetual licenses** — One-time purchase with optional maintenance
- **Subscription** — Annual licensing options
- **OEM/Redistribution** — Custom licensing for software vendors
- **Pricing** — https://www.gdpicture.com/pricing/

## About Nutrient

GdPicture is part of Nutrient, a company focused on developer tools for document processing. Nutrient also offers:

- **Nutrient Web SDK** — WebAssembly-based document viewer
- **Nutrient Document Engine** — Server-side document processing
- **Nutrient Cloud** — SaaS document APIs

**Main website** — https://www.nutrient.io/
**Customer portal** — https://my.nutrient.io/
**Dashboard** — https://dashboard.nutrient.io/

## Quick links

| Resource | URL |
|----------|-----|
| Homepage | https://www.gdpicture.com/ |
| Products | https://www.gdpicture.com/products/gdpicture-net/ |
| Documentation | https://www.nutrient.io/guides/dotnet/ |
| Blog | https://www.gdpicture.com/blog/ |
| Support | https://support.nutrient.io/hc/en-us/requests/new |
| Free trial | https://www.gdpicture.com/free-trial/ |
| Pricing | https://www.gdpicture.com/pricing/ |
| Contact sales | https://www.gdpicture.com/contact-sales/ |