Eternal Invoice Generator

Generate professional PDF invoices, quotes, reminders, and recurring bills with customizable items, taxes, discounts, and payment details from the command line.

Invoice Generator

Create professional PDF invoices from the command line.

Quick Start

bash

python3 scripts/invoice.py create \
  --from "Your Business Name" \
  --to "Client Name" \
  --item "Consulting,8hrs,75" \
  --item "Design,3hrs,100" \
  --due 14

Commands

Command	Description
create	Generate a new invoice PDF
estimate	Create a quote/estimate instead
recurring	Set up a recurring invoice template
list	List generated invoices
remind	Generate a payment reminder

Item Format

Items are specified as: "Description,Quantity,UnitPrice"

Examples:

• "Web Development,40,85" — 40 hours at $85/hr
• "Logo Design,1,1500" — flat rate $1500
• "Hosting,12,29.99" — 12 months at $29.99/mo

Options

Flag	Default	Description
--from	(required)	Your business/personal name
--from-email		Your email
--from-address		Your address
--to	(required)	Client name
--to-email		Client email
--to-address		Client address
--item	(repeatable)	Line items
--tax	0	Tax percentage
--discount	0	Discount percentage or flat amount
--due	30	Payment due in N days
--currency	USD	Currency code
--notes		Additional notes
--prefix	INV	Invoice number prefix
--bank		Bank details for payment
--output	auto	Output filename

Output

Generates a clean, professional PDF with:

• Invoice number (auto-incremented)
• Issue date and due date
• Itemized line items with subtotals
• Tax, discount, and total calculations
• Payment terms and bank details
• Professional formatting

Templates

Invoices use a clean minimal template by default. To customize:

1. Edit scripts/invoice_template.html
2. Add your logo to assets/logo.png