Invoice Generator Pro

Generate professional invoices in Markdown or HTML by specifying client, items, tax, currency, dates, and output format.

Invoice Generator

Generate professional invoices in Markdown or HTML from simple inputs.

Usage

bash

./generate-invoice.sh \
  --client "Acme Corp" \
  --email "[e-mail]" \
  --date "2026-02-22" \
  --due "2026-03-22" \
  --item "Web Development|40|150.00" \
  --item "Design Review|5|120.00" \
  --tax 10 \
  --currency USD \
  --invoice-number INV-001 \
  --from "Shelly Labs" \
  --format html

Parameters

Flag	Description	Default
--client	Client name (required)	—
--email	Client email	—
--date	Invoice date	today
--due	Due date	+30 days
--item	"Description|Qty|Rate" (repeatable)	—
--tax	Tax percentage	0
--currency	Currency code	USD
--invoice-number	Invoice ID	INV-{timestamp}
--from	Your name/company	—
--format	md or html	md
--output	Output file path	stdout

Output

• Markdown: Clean table-based invoice
• HTML: Uses template.html — professional, print-ready

Examples

bash

# Quick markdown invoice
./generate-invoice.sh --client "Bob" --item "Consulting|10|100" --format md

# HTML invoice saved to file
./generate-invoice.sh --client "Acme" --item "Dev|40|150" --format html --output invoice.html