Generate a professional invoice with AI in under a minute
The AI Invoice Generator skill turns a few facts about the job into a clean, itemised invoice with tax, discounts, payment terms and your own branding, ready to export as PDF or DOCX. Drop it into Claude, ChatGPT, Gemini or Copilot and reuse it for every client.
Get the AI Invoice Generator - $4.99How it worksWhat the invoice includes
Answer a short set of questions and the skill builds a complete, ready-to-send invoice.
Itemised line items
Quantity, rate and description per line, with subtotal calculated automatically.
Tax and discounts
Flat or percentage tax, one-off discounts, and a final total that reconciles.
Terms and branding
Payment terms, due date, invoice number, your business details and a clean layout.
How it works
Buy and download
You get a .md skill file plus a short README. Instant download, files resent any time.
Add it to your AI
Paste it into a Claude Project, a ChatGPT custom GPT, or your Claude Code skills folder.
Answer a few questions
Client name, line items, tax and terms. The skill returns a finished invoice, ready to export.
Get the AI Invoice Generator
Frequently asked questions
Is this a free online invoice generator?
No. It is a skill file that runs inside the AI you already use. There is no separate web app and nothing you enter is stored on our servers.
Which AI do I need?
Claude (including Claude Code), ChatGPT, Gemini or Copilot. The file is plain markdown and works with any chat model that accepts instructions.
What format is the invoice?
Markdown by default, with instructions in the skill for exporting to PDF or DOCX so you can send it straight to a client.
Can I reuse it for every client?
Yes. It is a one-time purchase. Reuse the same skill for as many invoices and clients as you need.
What if it does not work for me?
30-day money-back, no questions asked.
Need more than invoices?
Browse all 100 AI document generators, or get a full finance toolkit with the Finance bundle.
Browse all generators