Download Nutrient .NET SDK (formerly GdPicture.NET)
GdPicture.API package on Nuget
FOR:
Windows
|
macOS
|
Linux
Getting started
If you’re updating an existing integration, refer to the update GdPicture.NET guide for version-specific NuGet package and licensing guidance.
Project example
Browse the sample projects below. Download and extract a sample ZIP, or clone the linked repository. Open the sample project in Visual Studio (or your preferred IDE) to run it.
Annotations
- Create annotations guide (sample)
- Edit annotations guide (sample)
- Get annotation properties guide (sample)
- Remove annotations guide (sample)
- Attach a file to an annotation guide (sample)
- Attach an image to an annotation guide (sample)
- Export annotations to PDF guide (sample)
- Export XMP annotations guide (sample)
- Import XFDF annotations guide (sample)
- Import XMP annotations guide (sample)
- Annotation PDF actions guide (sample)
- Stamp a document guide (sample)
- XMP annotations guide (sample)
- Annotate on images guide (sample)
- Flatten annotations guide (sample)
- Annotations sample(opens in a new tab)
- Freehand drawing sample(opens in a new tab)
- Real-time line drawing sample(opens in a new tab)
- Import Instant JSON into a PDF guide (sample)
- Export Instant JSON from a PDF guide (sample)
- Convert between Instant JSON and XFDF guide (sample)
- Convert between Instant JSON and XMP guide (sample)
- Configure Instant JSON appearance and tracking guide (sample)
- Instant JSON appearance theme comparison guide (sample)
Barcodes
- Barcode recognition sample(opens in a new tab)
- Barcode write sample(opens in a new tab)
- Read 1D barcode from image guide (sample)
- Read QR code from image guide (sample)
Document management
- Document clean up sample(opens in a new tab)
- Document recognition (ADR) sample(opens in a new tab)
- Document viewer sample(opens in a new tab)
- Forms processing and OMR samples(opens in a new tab)
- MICR sample(opens in a new tab)
File processing
- Displaying from URL sample(opens in a new tab)
- File converter sample(opens in a new tab)
- Page manipulation sample(opens in a new tab)
- Text file to PDF guide (sample)
- RTF to PDF guide (sample)
- Email to PDF guide (sample)
- HTML to PDF guide (sample)
- HTML to Word guide (sample)
- RTF to DOCX guide (sample)
- Any file to Office guide (sample)
- Merge PDF into another PDF guide (sample)
- Text writer sample(opens in a new tab)
- Thumbnail drag-and-drop sample(opens in a new tab)
PDF editing
- Add an image to a PDF guide (sample)
- Add text to a PDF guide (sample)
- Add a page guide (sample)
- Attach a file to a PDF guide (sample)
- Extract pages guide (sample)
- Move or copy pages guide (sample)
- Remove pages guide (sample)
PDF forms
- Create a fillable form guide (sample)
- Add a signature field guide (sample)
- Edit form fields guide (sample)
- Get a form field ID guide (sample)
- Remove form fields guide (sample)
- Extract form data guide (sample)
- Flatten form fields guide (sample)
- Form field items guide (sample)
- Import form data from a database guide (sample)
- Import form data from XFDF guide (sample)
- Fill forms programmatically guide (sample)
- Read form fields guide (sample)
- Form PDF actions guide (sample)
PDF generation
- Create a PDF from a byte array guide (sample)
- Create a PDF from scratch guide (sample)
- Create a PDF from a Word template guide (sample)
- Create a tagged PDF guide (sample)
- Create a PDF thumbnail guide (sample)
- PowerPoint template to PDF/UA guide (sample)
- Excel template to PDF/UA guide (sample)
Configuration
Deployment
Images
- Add an image to another image guide (sample)
- Add text to an image guide (sample)
- Blur images guide (sample)
- Set image or PDF colors guide (sample)
- Crop images guide (sample)
- Image filters guide (sample)
- Adjusting gamma brightness contrast saturation sample(opens in a new tab)
- Binarization sample(opens in a new tab)
- Chroma key background removal sample(opens in a new tab)
- DICOM viewer sample(opens in a new tab)
- Image processing sample(opens in a new tab)
- Rotating by angle (images) sample(opens in a new tab)
Image conversion
- Convert any image to PDF guide (sample)
- Convert BMP to PDF guide (sample)
- Convert JPG to PDF guide (sample)
- Convert PNG to PDF guide (sample)
- Convert SVG to PDF guide (sample)
- Convert TIFF to PDF guide (sample)
- Image processing sample(opens in a new tab)
- Image to PDF sample(opens in a new tab)
- Image to PDF-MRC sample(opens in a new tab)
- Image to PDF-OCR sample(opens in a new tab)
- TIFF to PDF-OCR sample(opens in a new tab)
OCR and segmentation
- OCR sample(opens in a new tab)
- Segmentation sample(opens in a new tab)
- Image to PDF-OCR sample(opens in a new tab)
- PDF to PDF-OCR sample(opens in a new tab)
- TIFF to PDF-OCR sample(opens in a new tab)
- Convert PDF to BMP guide (sample)
- Convert PDF to JPG guide (sample)
- Convert PDF to other image formats guide (sample)
- Convert PDF to PNG guide (sample)
- Convert PDF to SVG guide (sample)
- Convert PDF to TIFF guide (sample)
- Compress PDF guide (sample)
- Flatten PDF guide (sample)
- Hyper-compress PDF with MRC guide (sample)
- Linearize PDF guide (sample)
- Convert PDF to PDF/A guide (sample)
- Convert CAD to PDF guide (sample)
- Digital signing PDF sample(opens in a new tab)
- Add document timestamp to PDF guide (sample)
- Add LTV information to PDF signatures guide (sample)
- Create PAdES B-LT and B-LTA signatures guide (sample)
- Deferred two-phase PDF signing guide (sample)
- Sign PDF with ECDSA certificate guide (sample)
- Sign PDF with PKCS#11 guide (sample)
- Image to PDF sample(opens in a new tab)
- Image to PDF-MRC sample(opens in a new tab)
- Image to PDF-OCR sample(opens in a new tab)
- PDF splitter sample(opens in a new tab)
- Sanitize PDF guide (sample)
- PDF to PDF-OCR sample(opens in a new tab)
- PDF to TIFF sample(opens in a new tab)
- Rotating by angle (PDF) sample(opens in a new tab)
- Text file to PDF sample(opens in a new tab)
- Validate PDF conformance guide (sample)
- Validate PDF/UA guide (sample)
TIFF
- TIFF to PDF sample(opens in a new tab)
- TIFF to PDF-OCR sample(opens in a new tab)
- TIFF splitter sample(opens in a new tab)
- PDF to TIFF sample(opens in a new tab)
TWAIN and WIA
- TWAIN scanning sample(opens in a new tab)
- TWAIN scanning — asynchronous sample(opens in a new tab)
- WIA scanning sample(opens in a new tab)
Additional components
Nutrient .NET SDK offers optional packages for OCR resources, desktop and web viewers, and COM interop.
Resources
Resources for GdPicture required for OCR processing.
Viewers
FOR:
Winform
|
WPF
Install the viewer package for your UI framework (GdPicture.WinForms or GdPicture.WPF).
Starting from 14.4.0, WinForms and WPF viewers are distributed as separate NuGet packages.
FOR:
MAUI
Windows
|
macOS
A cross-platform solution that extends GdPicture.API capabilities by adding the GdViewer MAUI viewer component.
FOR:
DocuVieware (GdViewer for web Backend)
Windows
|
macOS
|
Linux
A standalone package offering a rich viewer and collaboration solution. Ideal for web-based projects that require advanced document viewing, annotation, and sharing capabilities.