Billwise Invoice Maker
Create invoices, quotes, and receipts with exact totals, then download a polished PDF.
Billwise Invoice Maker is an invoice generator for freelancers, contractors, and small businesses. Describe the work and the client, and it builds a professional invoice (or quote, estimate, receipt, or credit note) with exact money math: every line is rounded to the currency's minor units, tax is summarised by rate, and discounts are applied before tax. Download a clean A4 or US Letter PDF and a CSV of the lines for your bookkeeping.
What it does
- Invoices, quotes, estimates, receipts, and credit notes
- Exact totals: per-line rounding to minor units, round half up, tax grouped by rate (for example VAT 23% and 8% on one invoice)
- Any ISO 4217 currency with correct decimals, including JPY (no decimals) and KWD (three decimals)
- Line discounts, a document discount applied before tax, shipping, deposits and balance due
- Print-ready PDF in A4 or US Letter that paginates long item lists, plus a CSV of the lines
- Edit quantities and prices in the preview and regenerate the PDF
Try asking ChatGPT
“Invoice from Northwind Studio to Acme Ltd: 12 hours of design work at $85/hr, due in 14 days”
“Invoice INV-0042 from Nowak Studio to Acme, PLN: 10 h consulting at 150 (23% VAT), 3 guides at 33.33 (8% VAT), Net 14”
“Receipt from Brooklyn Candle Co. for Dana Lee: 2 candles at $25 and a card at $4.99, 8.875% sales tax, paid today”
Limitations
- Creates documents only: it does not send emails, track payments, or store invoices; download the PDF to keep a copy
- Does not process payments or accept card numbers; payment instructions are printed as plain text
- Labels are in English; the PDF uses standard fonts, so some accented letters are transliterated (for example 'Łódź' prints as 'Lódz'), Greek and Cyrillic are romanised, emoji are left out, and Chinese, Japanese, Arabic, or Hebrew text cannot be printed
- Not tax or legal advice: you choose the tax rates and must check local invoicing rules
- Up to 200 line items; very large documents may not fit in a download link
Connect
Install Billwise Invoice Maker from the ChatGPT plugin directory. Developers can connect the MCP endpoint directly: https://invoice-maker.zovo.one/mcp