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.NET

Legacy API

guides

Introduction
Best practices
Load a file
- Overview
- PDF document
  
  Overview
  
  From local storage
  
  From a stream
  
  From a remote URL
- Image
  
  Overview
  
  From local storage
  
  From a byte array
  
  From a stream
  
  From a remote URL
- Document converter
  
  Overview
  
  From local storage
  
  From a stream
  
  From a remote URL
- Annotation manager
Save a file
Conversion
OCR
- Overview
- Usage scenarios
  
  Barcode recognition
  
  Image to searchable PDF
  
  Scanning
  
  PDF to searchable PDF
  
  PDF/A archiving
- Preprocess
  
  Overview
  
  Deskew
  
  Auto-invert
  
  Enhance characters
  
  Remove noise
  
  Remove lines
  
  Remove punch holes
- Zonal OCR
- Classify documents
- Parameters
- Language support
AI Document Processing
- Overview
Document recognition
- Overview
- Classify documents
Editor
- Overview
- Merge or combine
- Manipulation
  
  Overview
  
  Blur
  
  Colors
  
  Crop
  
  Extract pages
  
  Filters
  
  Move or copy pages
  
  Remove page
  
  Rotate pages
- Add a page
- Add text
- Attach a file
- Watermark
- Split
- Add an image
- Metadata
Redaction
Extraction
- Overview
- Key-value pairs
  
  Overview
  
  How it works
  
  Data model
  
  Confidence score
  
  Data types
- Bank statements
- Tables
- Invoices
- Optical marks (OMR)
  
  Introduction to OMR
  
  Build a custom template
  
  Extract optical marks
- MRZ data
  
  Overview
  
  Passports
  
  Drivers' licenses
  
  ID cards
  
  Visas
- MICR
- Text
  
  Extract
  
  Read
- Images
- File attachments
- Metadata
  
  Image
  
  EXIF
  
  IPTC
Barcodes
- Overview
- Read and scan
  
  Overview
  
  1D (linear)
  
  Aztec Code
  
  Data Matrix
  
  MaxiCode
  
  Micro QR
  
  PDF417
  
  QR
- Generate
  
  Overview
  
  1D (linear)
  
  Aztec Code
  
  Data Matrix
  
  MaxiCode
  
  Micro QR
  
  PDF417
  
  QR
- UI control
PDF generation
Print
Optimization
TWAIN and WIA scanning
Compare files
- Overview
Annotations
- Overview
- Introduction to annotations
  
  What are annotations?
  
  Annotation types
  
  Bounding boxes
- Export data
- Import data
- Create
- Get properties
- Edit
- Remove
- Attach a file
- Stamp a document
- Flatten
- Annotate on images
- XMP annotations
- Actions
Forms
- Overview
- Introduction to form fields
- Fill form fields
  
  Programmatic
  
  Import XFDF from a file
  
  Import XFDF from a database
- Form field items
- Extract form data
- Read form fields
- Create, edit, and remove
  
  Create a fillable form
  
  Add a signature field
  
  Edit fields
  
  Get the field ID
  
  Remove fields
- Flatten
- PDF actions
Signatures
- Overview
- Introduction to signatures
- Digital signatures
  
  Add a digital signature
  
  Certify a document
- Signature field
  
  Add a signature field
  
  Sign a signature field
  
  Get signature field properties
  
  Remove a signature field
PDF/A
PDF layers (OCGs)
- Overview
Deployment
Troubleshooting

About

File type support
- TIFF
- MS Office
Language support
- ASP.NET
- VB.NET
- Delphi
Framework support
- .NET core
- WinForms
- WPF
Supported file types
iText migration
System compatibility
Legacy API

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PSPDFKit Library for .NET API Reference

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If you’re looking for the legacy PSPDFKit Library for .NET product, you can access the legacy API(opens in a new tab).

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