Solo Invoice OS
Type invoices once, print by number — AI-agent-ready sheet
What it does
Type the invoice log header and line items once, then print by picking the number: Invoice (Print) has one yellow cell (invoice # dropdown) and looks up the rest. No helper-row paste, no macros. Excel 2019 + Google Sheets. The $19 zip includes AGENTS.md + SKILL.md, so any file-reading AI agent (ChatGPT, Claude, Gemini, Copilot, Cursor) can fill yellow cells and help you log and print: attach the folder, prompt "Read AGENTS.md and operate this workbook." No plugin or API key. Not tax advice.
Invoice tracker spreadsheet and freelance invoice template for Excel. GST HST invoice spreadsheet with UK VAT and AU GST presets. $19 one-time. Not tax advice.
Stop losing unpaid invoices in a messy inbox — and stop typing the same invoice twice. Log the header and line items once; print by picking the invoice number. See unpaid, overdue, and aging on one dashboard. Need a one-off invoice in the browser first? Free Invoice Draft is a one-off PDF. To track it, add a log header + line items with the same number — do not paste over green log amounts. USD $19, one-time. You get Solo_Invoice_OS_v1.1.xlsx . Not a subscription. Not tax advice. Not affiliated with the CRA. Ten visible sheets, yellow cells for input, green cells for formulas. Hidden _Lists sheet drives the dropdowns — leave it alone. Typical public rates you confirm before you invoice: GST…from solo-invoice-os.pages.dev
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