Merging Double-Sided Scanned PDFs with Reversed Back Pages

Merge two PDFs from scanner without duplex ability like Epson-3850

The scanner with ADF but without duplex feature will generate have two PDFs:

• PDF 1 (front.pdf): Contains the front sides of the pages (1, 3, 5, ...).
• PDF 2 (back.pdf): Contains the back sides of the pages in reverse order (..., 6, 4, 2).

The goal is to create a single PDF with the correct page order (1, 2, 3, 4, 5, 6, ...).

Tool Include

pdf_merger.py: Merge and rename two PDFs with Gemini API.

pdf_renamer.py: Rename signle PDF. After scan single page PDF, the name is random from scanner. This tool uses Gemini API to analysis the PDF and reanme it.

To use Gemini feature, a file called gemini_api.key needs to be provided in the same folder as the script.