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Invoice Generator

Caution

Creates professional invoices, receipts, and billing documents in PDF format with customizable templates, tax calculations, and multi-currency support.

By Anthropic 2,100 v1.0.0 Updated 2026-03-10

Install

Claude Code

Copy the SKILL.md file to your project's .claude/skills/ directory

About This Skill

Invoice Generator creates professional billing documents from structured data inputs. It supports customizable templates, automatic tax calculations, multi-currency formatting, and batch generation — producing clean PDFs ready to send to clients.

How It Works

  1. Template setup — Creates or customizes invoice templates with your branding (logo, colors, footer text)
  2. Data input — Accepts line items, rates, quantities, and client details from JSON, CSV, or interactive prompts
  3. Tax calculation — Applies configurable tax rates (VAT, GST, sales tax) with proper subtotal and total formatting
  4. Currency formatting — Formats amounts in 50+ currencies with correct symbol placement and decimal rules
  5. PDF generation — Renders the invoice to a polished PDF using HTML/CSS templates or direct PDF libraries

Best For

  • Freelancers and consultants billing clients regularly
  • Small businesses without dedicated invoicing software
  • Teams needing to generate invoices programmatically from databases
  • International businesses requiring multi-currency invoices

Template Customization

Includes professional templates: minimal, corporate, creative, and detailed. Each template supports custom colors, logo placement, payment terms, bank details, and notes sections. Templates are HTML/CSS-based for easy modification.

Use Cases

  • Generating monthly invoices for freelance clients
  • Creating bulk invoices from CSV transaction data
  • Building branded invoice templates with company logos
  • Producing multi-currency invoices with exchange rate conversion

Pros & Cons

Pros

  • + Professional PDF output with customizable branding
  • + Multi-currency support with proper formatting
  • + Batch generation from CSV/JSON data sources

Cons

  • - Tax calculation is reference only — consult local regulations
  • - PDF rendering requires Node.js or Python PDF libraries installed

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