Home > Products > PDF Security and Signature (Shell & COM & SDK)
PDF Security and Signature Command Line $79.95


PDF Security and Signature

(Shell & COM & SDK)

  • Adding Digital Signatures to Existing PDF files
  • Secure PDF files with RC4, 128-AES, 256-AES encryption
  • Support Linearization (Fast Web View)
Download Buy Now

The main purpose of a digital signature is to uniquely identify the signer of an electronic document. With the advent of paperless business models there is an increased demand for digitally signed PDF documents. In many countries digitally signing an electronic document became a legal requirement.

VeryPDF PDF Security and Signature (Shell & COM & SDK) is a cost effective application that allows you to digitally sign, timestamp and/or encrypt PDF files. By applying a digital signature on your PDF documents you will be able to guarantee the integrity of the content and also provide an additional level of trust in any business transaction you conduct. If you are a developer you can easily integrate VeryPDF PDF Security and Signature (Shell & COM & SDK) with your own application via a COM object or .NET assembly.

System Requirements

  • Windows 2000 / XP / Server 2003 / Vista / Server 2008 / 7 / 8 / 10 / 11 and later systems of both 32-bit and 64-bit
  • Linux (Centos, SuSE and Red Hat on Intel)
  • IBM AIX – 32 Bit and 64 Bit
  • Mac OS X

Features of VeryPDF PDF Security and Signature (Shell & COM & SDK)

General Functions
  • PDF Security and Signature supports Command Line, COM, SDK interfaces
  • Batch processing PDF documents
  • Support for Smart card certificates (qualified certificates)
  • Batch (bulk) digital signature (sign an entire folder and sub-folders)
  • Support Command line parameters, PowerShell scripting
  • Support Time Stamping (RFC 3161) and Batch Signatures
  • Embedding Revocation Information for the signing certificate (CRL, OCSP)
  • Supports PKCS#11, PKCS#12, Apple Keychain and Windows Certificate Stores
  • Provide a COM interface for PHP, Ruby, Python, C#, VB, VB.NET, C++, ASP, JavaScript, VBScript, etc. program languages
  • Linearization (Fast Web View) support
  • PDF encryption support (RC4/AES-128/AES-256 algorithms)
  • Do NOT require any Adobe products
  • Support all PDF digital signatures formats
  • Support visible or invisible PDF signatures
  • PDF Security and Signature can be integrated with business applications using a server API, a desktop API or a command line approach. The command line approach can be used by any Windows application whereas the APIs offer .Net assembly Integration only.
  • Page number and position can be specified for visible signature
  • Support font name, border line width, border color, background color options for visible signature
  • Able to list all certificates under store (ALL, MY, ROOT, CA, etc.)
  • Able to set background image for visible signature annotation
  • Support permission flags for encryption, include Allow Printing, Allow Changing the Document, Allow Content Copying or Extraction, Allow Commenting, Allow Filling of form fields, Allow Content Extraction for Accessibility, Allow Document Assembly, Allow High Quality Printing, Allow All Permissions.

Technical Details

Input Formats

  • PDF, PDF/A

Output Formats

  • PDF

Product Variants

  • Shell Tool (Command Line)
  • API & SDK (Programming Interface)
  • COM & ActiveX (Programming Interface)

Programming Languages

All program libraries are written in efficient and thread-safe C++. API offers a selection of the following connections to programming languages:

  • C#, VB .NET, J# via .NET
  • Java via JNI
  • MS Visual Basic, Borland Delphi, MS Office products such as Access and C++ via COM
  • C and C++ via native C
Discount 45% ($49.90) to buy PDF to Word Converter, PDF to Excel Converter, and PDF to PowerPoint Converter.

Use As

Relative Products

Gold Support 30-DAY NO RISK REFUND
 You may like these products
VeryPDF PDFcamp Printer Pro
VeryPDF PDFcamp Printer Pro


Convert files of Microsoft Word, PowerPoint, Excel, JPG, PNG, GIF, and HTML to PDF. Create PDF from printable documents.
VeryPDF PDF Editor
VeryPDF PDF Editor


Create PDF, annotate PDF, fill PDF forms, edit PDF contents and hyperlinks, and convert PDF to image. It is a cost-effective PDF editor.
VeryPDF PDF to Word OCR Converter
VeryPDF PDF to Word OCR Converter


Recognize characters in scanned image PDF and save as Word. It supports batch process that can convert multiple PDF files with one click.