A highly customizable command line utility for signing PDF documents using PKCS #12 certificate files. Perfect for integrating into scripts, batch processes, or legacy applications that lack built-in PDF signing capabilities.
- Customizable signature appearance and positioning
- Configuration stored in SQLite database for easy management
- Cross-platform compatibility across Windows, macOS, and Linux
- Command-line interface for seamless integration with existing workflows
- Download the latest release from the Releases page
- Extract the files to your preferred location
- Add the directory to your system PATH (optional, for easier access)
- .NET Runtime (version X.X or higher)
- A valid PKCS #12 certificate file (.pfx or .p12)
Configure your certificates with the setup wizard:
PDFSign.exe --setupSign a PDF with a configured certificate:
PDFSign.exe -n MyCertificate -p "path/to/document.pdf"| Option | Short | Description |
|---|---|---|
--name |
-n |
Certificate name (configured in setup) |
--id |
-i |
Set business id (alternative to using name) |
--pdfpath |
-p |
Path to the PDF file to sign |
--keep |
-k |
Keep original PDF file with "_original" suffix (default: true) |
--verbose |
-v |
Set output to verbose messages |
--setup |
-s |
Launch the certificate configuration wizard |
--help |
-h |
Display help information |
--version |
Display version information |
The configuration is stored in a SQLite database file that contains:
- Certificate information and paths
- Default signature appearance settings
- Custom parameters
You can manage configurations through the --setup wizard or directly modify the database with SQLite tools.
- Certificate not found: Ensure the certificate name matches what you configured in setup
- Invalid certificate: Verify your certificate is valid and has not expired
- Permission denied: Make sure you have read/write access to the PDF files
MIT License
Contributions are welcome! Please feel free to submit a Pull Request.