ChatGPT plugin
Mizar
Invoices from notes.
Paste notes, hours, or a timesheet into ChatGPT. Mizar turns them into a clean, tax-ready invoice — exact totals, VAT per rate, English or German.
Directory link added after approval.
Why it exists
- From messy notes to line itemsWorkshop prep 4h, workshop 6h becomes a proper table.
- Asks, never guessesMissing rate, tax number, or IBAN? One checklist. No made-up numbers.
- Exact mathNet, VAT per rate, discounts, total — to the cent.
- English or GermanInvoice or Rechnung, your choice.
- Draft-safeMissing fields stay as visible [PLACEHOLDER] on a DRAFT.
How it works
- Paste notes, hours, or upload a timesheet CSV.
- Confirm the draft table and totals.
- Download the invoice PDF from a secure link (expires after about an hour).
Try saying
Create an invoice from these notesTurn this timesheet into an invoice with 19% VATGenerate an invoice PDF for this clientRechnung auf Deutsch mit 19 % MwStExample
Acme GmbH · 12 h × €110 · 19 % VAT · due in 14 days
Net €1,320.00 · VAT €250.80 · Total €1,570.80
Net €1,320.00 · VAT €250.80 · Total €1,570.80
Good to know
- PDF rendered by Midchat’s server via a short-lived encrypted link; invoice details are not stored.
- No memory across chats — client defaults aren't saved between conversations.
- Does not send invoices, take payments, or connect to accounting/banking tools.
- Human-readable invoice, not XRechnung/ZUGFeRD e-invoice.
- Not tax advice — does not choose your VAT rate or tax status.
Free. Invoice details go to Midchat’s server (EU, Frankfurt) only to compute and render your invoice and are not stored. See Privacy · Terms · Support.