Invoice Generator

Bilingual invoice generator for cross-border consulting.

Live Demo

What it does

• Interactive browser-based invoice generator with live preview
• Bilingual EN/ES layout on every field: headers, labels, descriptions, payment terms
• Fill in your details, see the invoice update in real time, then print or save as PDF
• Print-optimized A4 format with clean borders and structured sections

The Python CLI version (generate_invoice.py) is also included for automation and scripting.

CLI Usage

python3 generate_invoice.py \
  --invoice-number INV-001 \
  --date "3/1/2026" \
  --period "March 1-31, 2026" \
  --due-date "3/15/2026"

With custom amount:

python3 generate_invoice.py \
  --invoice-number INV-002 \
  --date "4/1/2026" \
  --amount 2500 \
  --quantity 1 \
  --period "April 1-30, 2026" \
  --due-date "4/15/2026"

Output: ./output/INV-001.html

License

MIT