How do I make a free invoice template?
By the PDFinish editorial team · Reviewed · Published · 5 min read
Last updated:
To make a free invoice template, start from a ready-made fillable one, or build your own in a word processor or spreadsheet. It needs your details, your client's details, line items, totals and payment terms. PDFinish's freelance invoice template adds up the totals as you type.
You do not need accounting software to send a good invoice. You need a layout you can reuse, a numbering habit and totals that are right. Once you have a template, each new invoice takes a few minutes.
There are three sensible ways to get one, and which fits depends on how you work. This guide covers all three, shows the steps, and ends with a worked example of the sums. It is general information, not legal or tax advice.
Pick a route
- Route one: use a ready-made fillable template. Quickest, and the totals are done for you.
- Route two: build your own in a word processor or spreadsheet. Most control over the look.
- Route three: reuse your last invoice as the master. Fine if you bill the same client every month.
What every invoice template needs
- Your name or business name, email, phone and address.
- Your client's name, email and address, and a project name or reference.
- An invoice number and an invoice date.
- A due date and your payment terms.
- Lines for each piece of work, with a description, quantity, rate and amount.
- A subtotal, a tax line if you charge tax, and a total due.
- How to pay you, and a notes box.
Tax rules differ by place and by kind of work. Ask your local tax office or a professional what applies to you, and use the rate they give you.
Route one: the fillable template
The freelance invoice template has every box above and eight line items. Type the quantity and the rate for each line and the tax rate, and the amounts, subtotal, tax and total fill in as you type. You can type over any of them, for a discount or a flat fee. Filling it in is free with no account, and it opens in Fill PDF, which runs in your browser.
For a longer invoice, fill it twice and join the files with Merge PDF. For what to put on each line, see a free PDF invoice generator for freelancers.
Route two: build your own
A word processor suits a simple invoice with a few lines. A spreadsheet suits one with many lines, because a formula can add up the amounts for you. Keep your template as a master file and never overwrite it.
A spreadsheet or word file is not what you send. You export a PDF for each invoice. If you want a form that others can type into, open your exported PDF in Create fillable PDF and place the boxes. Those fields hold text. PDFinish does not put scripts in your files, so a form you build yourself will not add up the amounts, and you should check the sums by hand.
Make your template in six steps
- List the boxes you need, using the list above. Cut anything you never fill in.
- Lay them out on one page: your details at the top, the client below, the lines in a table, the totals under it, and the payment details at the bottom.
- Choose a numbering scheme and write the first number into the master, for example the year and a running count, such as 2026-001.
- Save the master with a clear name, such as Invoice-master.pdf, and keep it somewhere you will find it.
- For each invoice, open a copy, change the number, the dates, the client and the lines. Check the sums.
- Save a flattened copy named with the client and the number, and send that one. Keep the master unchanged.
Why you flatten the copy you send
A fillable PDF can look different in another program, and a client may see blank boxes. A flattened copy makes your answers part of the page, so it looks the same everywhere and cannot be changed by accident. You can flatten when you save in Fill PDF, or use Flatten PDF. Keep the fillable one for yourself.
A worked example of the sums
Say you billed twelve hours at 40, and one fixed item at 150. The first line is 12 times 40, which is 480. The second is 150. The subtotal is 630.
For the tax line, use the rate you were told applies. As a made-up rate for the sums only, 8 percent of 630 is 50.40. The total due is 630 plus 50.40, which is 680.40. If your template adds the totals for you, check one invoice like this by hand once, so you know it does what you expect.
Common mistakes
- Reusing an invoice number. Each one should be unique.
- Editing the master by mistake and sending it to the next client with the last client's details still in it.
- Leaving the due date off, so the payment terms are unclear.
- Typing an amount that does not match the quantity and rate.
- Sending a fillable copy that shows blank boxes on the other side.
What a template cannot do
A PDF template does not remember your clients, send reminders, take card payments or mark an invoice as paid. If you send many invoices each month, or chase late payments often, an invoicing app will probably save you time. Your old PDFs stay as files you can keep.
When you are ready to send, see how to send an invoice as a PDF.
A short checklist
- All the boxes in the list are on the page.
- The master is saved and never overwritten.
- A new number and new dates on every invoice.
- The sums checked by hand once.
- A flattened copy, named with the client and number.
Filling in a template is free to start: 2 free uses in total, no account needed. More for self-employed work is on the freelancers page.
Questions people ask
How do I make a free invoice template?
Start from a fillable invoice template, or build your own in a word processor or spreadsheet. Include your details, your client's, line items, totals and payment terms, then save a master copy.
Where can I get a free invoice template?
PDFinish has a fillable freelance invoice template. Filling it in is free with no account.
Does the invoice template add up the totals?
The PDFinish template does when you fill it in with PDFinish. Type the quantity, rate and tax rate, and the amounts and totals fill in. A form you build yourself does not add up, so check the sums.
Should I send a fillable or a flattened invoice?
Send a flattened copy. It looks the same in every viewer and cannot be changed by accident. Keep the fillable one for yourself.
Do I have to charge tax on an invoice?
It depends on where you and your client are and what you sell. This is general information, not tax advice, so ask your local tax office or a professional.
Try it
- Fill PDF
Fill a PDF form, with or without fillable fields: type, tick, sign and date.
- Create Fillable PDF
Turn a PDF into a form: place text boxes, checkboxes, radio buttons, dropdowns and dates.
- Flatten PDF
Lock form fields and comments into the page, or turn pages into images.
- Merge PDF
Combine several PDFs into one file, in the order you choose.
This article is general information, not legal or tax advice. See how we write and check guides in our editorial policy. More plain guides are on the PDFinish blog.