invoice

Generate printable HTML invoices with itemized line items and tax calculations.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/junainfinity/osmDesign --skill invoice-junainfinity
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: invoice
Source: https://github.com/junainfinity/osmDesign/tree/main/skills/invoice
Command: npx skills add https://github.com/junainfinity/osmDesign --skill invoice-junainfinity

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

A printable invoice page provides a ready-to-use, print-ready layout that consolidates sender and recipient details, an itemized line-items table, tax breakdown, totals, and clear payment instructions, reducing manual formatting time and errors.

Core Features & Use Cases

  • Itemized line items: describe services with quantity, rate, and amount to ensure transparent billing.
  • Tax and totals: automatic subtotal, tax calculation, and total due with clear presentation.
  • Template reuse: generate consistent invoices across multiple projects and clients.
  • Use Case: A freelance designer bills a client for a brand identity project with three items and standard payment terms.

Quick Start

Provide a ready-to-print invoice by entering project details into the template to generate the HTML ready for printing.

Frequently Asked Questions about invoice

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate a printable invoice with itemized line items and tax calculations?

Generate a printable invoice by entering project details into the template to produce structured HTML. This outputs an itemized table with quantity, rate, amount, tax breakdown, and totals aligned for clean printing.

What is the best way to bill freelance clients with transparent payment terms and tax?

The best way to bill freelance clients is using an itemized invoice layout that details services, calculates tax, and presents payment instructions. This ensures transparent billing and reduces manual formatting errors across projects.

Can I use this invoice template for retainer arrangements and agency client billing?

Yes, this template applies to retainer arrangements and agency client billing workflows. It supports freelance design projects by generating itemized line items, tax calculations, and payment terms for consistent client billing.

Does the generated invoice include HTML and CSS layout for clean printing?

Yes, the generated invoice implements a structured HTML and CSS layout. This ensures the itemized table, totals, and payment instructions align with the design system and print cleanly without manual formatting.

How do I automatically calculate subtotal and total due for my billing invoices?

Automatically calculate subtotal and total due by entering service quantities and rates into the invoice template. The system applies tax calculations to generate a clear tax breakdown and final total due for printing.