Desktop Application
QSign
Desktop app for creating and validating custom digital signatures.
Date
Aug 2025
Duration
8 weeks
Team
2 members
Status
Completed
PythonTkinterPDF handling
The Challenge
Create a desktop tool that lets users design custom signatures with logos and positioning, apply them to PDFs, and validate signatures created by others with full audit trails.
Our Solution
Built a Python/Tkinter desktop app with intuitive signature design tools, PDF rendering for signature placement preview, validation logic to confirm signature authenticity, and local document management for privacy.
Results & Impact
- Users can create professional signatures and apply them to documents instantly
- Signature validation confirms authenticity and creation timestamps
- Lightweight desktop app with no cloud dependency
- Works offline for document processing
Project Gallery
Key Features
- Drag-and-drop signature creation with logo uploads
- Adjustable signature size, rotation, and transparency
- PDF import and signature placement preview
- Signature validation with timestamp verification
- Local audit logs for all signing activity
- Batch signature application to multiple documents
Tags
DesktopPythonE-SignaturePDFSecurity
Project Details
Client
QSign
Category
Desktop Application
Project Date
August 10, 2025
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