Multi PDF Signer (Windows Desktop App)

This app signs multiple PDF files by placing your signature image on selected pages.

Features

• Upload multiple PDFs at once
• Upload one digital signature image (PNG/JPG)
• Page selection mode applied to all PDFs:
  • Last page
  • All pages
  • Custom pages (example: 1,3,5-7)
• Signature layout controls:
  • Position presets (bottom-right, bottom-left, top-right, top-left, center)
  • Signature width (% of page)
  • Height cap (% of page)
  • Margin X and Y (points)
  • Preview dialog to verify placement before signing
  • Drag-and-draw box in preview to auto-fill placement values
• Export signed PDFs in a selected output folder

Run in Development Mode

1. Open PowerShell in the project folder.
2. Create venv and install dependencies:

python -m venv .venv
.\.venv\Scripts\Activate.ps1
pip install -r requirements.txt

3. Start the app:

python app.py

Build Executable (.exe)

Run:

.\build_exe.ps1

After build, your executable is:

• dist\MultiPDFSigner.exe

Notes

• This tool adds a visible signature image to PDFs.
• Signed files are saved as originalname_signed.pdf.
• Coordinates use PDF points measured from the top-left corner of each page.
• For best results, use a transparent PNG signature.