KDK PDF-Signer

Zen PDF Signer - Overview & Installation

1. Introduction

KDK PDF-Signer is a desktop-based digital signing solution designed to simplify and automate the process of digitally signing PDF documents. It supports X.509 certificates, enabling secure, legally compliant, and efficient single or bulk PDF signing. The software is ideal for organizations seeking to streamline document workflows while ensuring adherence to Indian IT Act, 2000 regulations.
Note: Zen PDF Signer, a product of KDK Softwares, is compliant with the Information Technology Act, 2000, and offers high performance for enterprises managing high volumes of digital documentation.

2. Use Cases

KDK PDF-Signer serves diverse industry needs, including but not limited to:
  1. Legal & Compliance : Signing legal agreements, contracts, NDAs, distributor agreements
  2. Human Resources : Salary slips, appointment letters, employment agreements
  3. Procurement & Vendor Management : Vendor/supplier contracts, service agreements
  4. Government and Corporate Filings : MCA submissions, Form 16/16A, and compliance documents
  5. Enterprise Administration : Internal reports, memos, and audit-related documents

3. Key Features

3.1. Bulk PDF Signing
  1. Sign multiple PDF files in one operation
  2. Supports folder-level input/output
  3. Optimized for large-scale batch processing
3.2. Flexible Certificate Support
  1. Compatible with: USB-based Digital Signature Tokens
  2. Supports Class 2 and Class 3 digital signature certificates
3.3. Multi-Signature Capability
  1. Apply multiple digital signatures on a single document
  2. Suitable for co-signing and collaborative processes
3.4. Secure Output
  1. Generates tamper-evident signed PDFs
  2. Supports optional password protection
  3. Verifiable in Adobe Acrobat Reader (v7.0 and above)
3.5. Configurable Signature Appearance
  1. Customizable signature display fields:
    1. Certificate Name
    2. Signing Time & Date
    3. Contact Information
    4. Location
    5. Reason
  2. Pixel-based placement for precise positioning on the document
3.6. Seamless Integration
  1. Integration support for: Zen TDS (Form 16/16A)
  2. Microsoft Word documents (via compatible PDF output)
3.7. Additional Capabilities
  1. Add metadata to digital signatures
  2. Prefix/suffix settings for output file naming
  3. Centralized output folder creation for signed documents

4. Compliance and Security

KDK PDF-Signer ensures legal and technical compliance:
  1. Fully compliant with Indian IT Act, 2000
  2. Documents are accepted on:
    1. MCA Portal
    2. Income Tax TDS Portal
    3. Other regulatory and legal platforms
  3. Uses strong cryptographic algorithms to prevent forgery and tampering

5. System Requirements

      

6. Installation & Setup

6.1 Download and Install

  1. Download the setup file from the official KDK PDF-Signer download link.
  2. Double-click the setup file and follow the on-screen installation instructions.

6.2 Register the Software

  1. Launch the application after installation.
  2. Complete the registration using the provided registration guide or license credentials.

7. How to Use KDK PDF Signer

Step 1: Select File
  1. Navigate to the "Select File" section on the dashboard.
  2. Choose one or more PDF files, or select an entire folder containing PDF documents for bulk signing.
      
      

Step 2: Signature Position
  1. Define the page(s) where the digital signature should appear.
  2. Set the signature position using:
    1. Pixel-based coordinates, or
    2. The Drag & Drop option for manual placement.
  3. You can also use predefined layout options for consistency across documents.
      

Step 3: Select DSC
  1. Click on "Select Digital Signature Certificate".
  2. Choose your certificate from a USB Token.
  3. Once selected, the certificate details (such as issuer and subject name) will be displayed for verification.
      

Step 4: Display and Image Settings
  1. Customize the information displayed within the signature block:
    1. Certificate Name
    2. Date & Time
    3. Location
    4. Reason
    5. Contact Information, if needed
  2. Optional: Upload a signature image for visual representation.
      

Step 5: Sign and Generate PDF
  1. File Naming (Optional): Add a prefix or suffix to the output file names for identification.
  2. Password Protection (Optional): Enable password protection for signed PDFs and define a password.
  3. Output Location: Specify the destination folder where the signed files will be saved.
      

Step 6: Sign Documents
  1. Click the Sign button to digitally sign the selected documents
  2. Output files will be stored in the defined folder
      

Result : Your PDF files are now digitally signed, secure, and ready for sharing or submission in compliance with legal and regulatory standards.

8. Benefits Summary

      

    • Related Articles

    • Register Digital Signature Certificate FAQ

      Register Digital Signature Certificate FAQ Q1. What is DSC and why is it required? Digital Signature Certificate (DSC) is the electronic format of a physical or paper certificate. DSC serves as proof of identity of an individual or Organization for a ...

    • PDF Signer || LAN SETTING

      Overview of LAN Settings A Local Area Network (LAN) setup allows multiple computers to connect using physical cabling or Wi-Fi, enabling seamless sharing of data and files within the network environment. For PDF Signer, a multi-user software ...

    • How to change Screen Resolution / Display Settings

      Issue Description: In certain scenarios, users may encounter difficulties wherein capital gain options fail to display or essential options such as the save function are absent in features like client master creation. This issue is attributed to ...

    • TDS || PDF Merge Utility

      PDF Merge - Form 16 Part A and Form 16 Part B: Launch the e-TDS software and access the "Tools" → "PDF Merge Utility" option from the menu bar. Within the PDF Merge Utility, locate the folder containing Form 16 Part-A and Form 16 Part-B files. Ensure ...

    • Validity unknown error after signing the documents

      After opening a signed document in Acrobat Reader, you get an error message that says 'The validity of your signature is UNKNOWN', as shown in this picture. To resolve this validity unknow error, please follow the steps below: Right click on Validity ...