Key Differentiator

Server-Based C# SDK Annotation Tools

Server-Based C# SDK Annotation Tools

Manage and implement annotation features across bulk PDF documents on a server-hosted application.

Highlight Feature

Fast and Efficient

Annotate PDF documents with C# .NET PDF SDK

Generate, annotate and secure multiple PDF documents quickly and efficiently with multithreaded processing and in-memory application execution.

C# PDF Annotation Products

Toolkit Ultimate C# PDF SDK

Toolkit Ultimate

Award-winning C# PDF SDK library for creating, annotating, converting and manipulating PDF with password protected encryption. With Toolkit Ultimate, you have full print to PDF control, with options such as bin source, paper size, duplex printing, N-up printing and a handful of others. Convert PDF to images, redact, compress, form-fill, generate embedded barcodes and set stamps, bookmarks, page numbers and customized printing functions with full control over PDF output. Supports full PDF document encryption, decryption and digital signatures.

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