Invoice formats and invoicing guides.

Writing an invoice

What goes on an invoice from the top down, and what the payment terms actually mean.

• How to write an invoiceEvery part of an invoice explained in order, with an annotated example, a checklist before you send and the mistakes that delay payment. Free, no signup.
• Invoice payment termsDue on receipt, Net 7, Net 15 and Net 30 explained with real date examples, wording you can copy into your invoice notes, and a free generator with no signup.

Formats and documents

Invoices, bills, quotations, proformas and receipts: what each one is for, the fields it needs, and a worked example you can open in the editor.

• Online invoice makerAn online invoice maker that works in your browser: type the invoice, download the PDF. No account, no email wall. Tax, discounts and payment details.
• Bill generatorMake a bill online: add items, quantity and rate, and the total works itself out. Download a PDF. Free, no account, works on your phone.
• Invoice formatA plain invoice format with every part explained, a worked example, and free Word and Excel downloads. Or fill it in online and download a PDF.
• Bill formatA simple bill format for shops and services: items, quantity, rate, total. Free Word and Excel downloads, or make the bill online as a PDF.
• Google Sheets invoice templateA free invoice template for Google Sheets and Excel, the honest reasons a spreadsheet invoice breaks, and a faster way that needs no signup.
• Quotation formatA simple quotation format with an example. Download it in Word or Excel, or fill it in online and download a PDF. Free, no signup.
• Receipt formatA simple payment receipt format with an example. Download it in Word or Excel, or fill it in online and download a PDF. Free, no signup.
• Proforma invoice generatorWhat a proforma invoice is, when to send one, how to make it with a free generator in two minutes, and how to convert it into the real invoice later.

India

GST tax invoice fields, Indian invoice conventions and UPI payment details. Formatting help, not tax advice.

• GST invoice formatWhat a GST tax invoice in India must show, field by field, a worked example with IGST, and how to format one today with a free no-signup generator.
• Tax invoice format, IndiaTax invoice, bill of supply or a plain invoice: which one an Indian freelancer or small business should issue, what each shows, and a generator for it.
• Invoice with UPI detailsPut your UPI ID on an invoice and a scan-to-pay QR code prints with the amount filled in, plus neat payment rows and bank details. Free PDF, no signup.
• Rent receipt formatMonthly rent receipts with the period, payment mode and landlord's details.

Free tools

• Due date calculatorPick an invoice date and a payment term; get the exact due date and start the invoice.
• Invoice number generatorBuild a numbering format that stays consistent, then use the next number in an invoice.
• GST calculatorAdd or remove GST, see the CGST/SGST or IGST split, then start the invoice.
• Hourly invoice calculatorAdd up hours and minutes at your rate, then turn the rows into invoice lines.