C# PDF SDK and Tools for Manipulating PDF including PDF Text Extraction. Aquaforest PDF Toolkit consists of a .NET SDK and set of command line tools for manipulating PDF files.

Features Include:
Extract text
Convert and Validate PDF/A
Merge PDFs
Split PDFs
Read and Set Security
Stamps - text, image, watermarks and Bates stamps
Read and Set Dictionary Metadata
Read and Set XMP Metadata
Read and Set Viewer Preferences
Read and Set Bookmarks
Read and Set Attachments
Convert text to PDF
Convert image to PDF
Add Annotations

Aquaforest's OCR SDK for .NET enables developers to directly make use of the Aquaforest OCR engine in their own applications and create searchable PDFs, RTFs, text files, etc. from Image-PDFs, TIFFs and bitmaps.

Build High Performance 32-bit or 64-bit OCR applications
PDF/A generation from TIFFs and PDFs
Samples in C# and VB.NET
Create compressed searchable PDF, DOCX, WORDML, RTF, CSV, XLSX, EXCELML, TXT, HTML, EPUB and XPS files
Programmatically access OCR results
Support for over 100 languages
Decode barcodes