Searching for a free invoice template usually turns up hundreds of options — blank invoice templates, simple invoice templates, professional invoice templates, and versions for Word, Excel and PDF. This guide explains what a good invoice template needs and how to pick the right one.

The standard invoice format

Whatever the design, a professional invoice format follows the same order:

  1. Header: your logo, business name and the word “Invoice”
  2. Invoice details: invoice number, invoice date, due date
  3. Parties: your details (“From”) and the client's details (“Bill to”)
  4. Line items: description, quantity, rate, amount
  5. Totals: subtotal, discount, tax, total due
  6. Footer: payment instructions, terms and a thank-you note

See what should every invoice include for the full checklist.

Types of invoice template

  • Blank invoice template: an empty layout you fill in by hand or on screen.
  • Simple invoice template: a minimal design — ideal for one-off jobs.
  • Professional or business invoice template: includes your logo and branding for a polished look.
  • Printable invoice template: designed to fit cleanly on A4 or Letter paper.
  • Editable invoice template / customizable invoice template: lets you change fields, colours and layout.

Word, Excel or PDF?

An invoice template Word file is easy to edit but requires manual totals. An invoice template Excel file can calculate totals but is easy to break. An invoice template PDF looks consistent everywhere but isn't editable. For most freelancers and small businesses, the best result is to fill in a form and export the finished invoice as a PDF.

Invoice template examples

Good invoice template examples share the same traits: a clear header with the logo and invoice number, a two-column “From / Bill to” block, an itemized table, a totals box and a footer with payment details. See our freelance invoice examples for filled-in versions, and use an invoice design template only as a starting point — clarity matters more than decoration.

An online invoice template generator

An online invoice template generator combines the best of each: an editable form, automatic calculations and a printable PDF at the end. With KJ Invoice you add your logo once per invoice, fill in the details and download a professional invoice PDF — free and without sign-up.

Design tips for any invoice template

  • Keep plenty of white space and a clear hierarchy so the total stands out.
  • Use your brand colour sparingly — for the heading or total line.
  • Make the due date and payment method impossible to miss.

For more ideas, read why invoice design matters and invoice design trends for 2026.