Invoice generator

Fill in the form, watch the PDF build itself, then download it. Everything runs in your browser — nothing is uploaded.

No account, and the generator never asks who you are.
Your invoice never leaves this device — open the Network tab and see for yourself.
No watermark on the PDF.

How it works

Fill in the form on the left and the PDF on the right redraws as you type. When it looks right, download it.

Add your details and your client's
Type your business name and address into the From block, and your client's into Bill to. Each block is free text, so a VAT or tax ID can go on its own line. Add a logo if you want one — it is scaled down and stored in your browser, never uploaded.
Set the invoice number and dates
Give the invoice a number your records can refer back to, then set the issue date and, if you use them, payment terms and a due date. A PO number field is there when a client requires one.
List what you are charging for
Add one line per item or service, with a quantity and a rate. The amount for each line is calculated for you, and lines can be reordered or removed. Quantities accept decimals, so 1.5 hours works.
Add tax, and any discount or shipping
Tax can be a percentage or a flat amount. Discount and shipping rows are optional and only appear on the PDF once you turn them on and enter a value. Enter anything already paid and the balance due updates.
Check the preview and download
The pane on the right is the actual PDF, not an approximation of it. When it reads correctly, press Download. The file saves straight to your device.

How the totals are calculated

Stated in full so you can check every figure by hand. Amounts are held as whole cents and rounded half-up, so the lines always add up to the total exactly.

Subtotal is the sum of every line amount, where each line is quantity × rate.
Discount, if enabled, is taken off the subtotal.
Tax is charged on the subtotal minus the discount — not on the raw subtotal.
Total is the taxed amount plus shipping.
Balance due is the total minus anything already paid.

What goes in each field

What every field on the form is for, and why it matters on a document someone else has to act on.

From: Your business name, address and tax registration number. In most countries an invoice is only valid if the issuer can be identified. A tax or VAT number belongs here rather than in the notes.
Bill to: The legal entity responsible for paying. This should be the company that owes the money, not the individual who commissioned the work — accounts-payable teams match on the entity name.
Ship to: A delivery address, when it differs from the billing address. Optional. It stays off the PDF entirely unless you turn it on and enter something.
Invoice number: A reference unique to your own records. Sequential numbering with no gaps is a legal requirement in several jurisdictions and makes chasing a specific invoice possible.
Date and due date: When the invoice was issued, and when payment is expected. The issue date usually determines which tax period the invoice falls in. The due date is what late-payment terms are measured from.
Payment terms: Free text such as “Net 30” or “Due on receipt”. Stating terms on the invoice is what makes them enforceable later. “Net 30” means payment is due 30 days from the issue date.
Line items: One row per item or service, with quantity and rate. Itemising makes an invoice checkable. A single line reading “Consulting” invites a query; five lines naming deliverables does not.
Tax: A percentage of the taxable amount, or a flat figure. Tax is applied after any discount — see the order of operations below. Whether you should charge tax at all depends on your registration status and your client's location.
Notes and terms: Payment details, late fees, delivery schedule. Bank details go here. So does anything you would want to point at if the invoice were disputed.

Questions

The same answers that appear in this page's structured data — both are generated from one source, so they cannot disagree.

Is this invoice generator really free?

Yes, and there is no paid tier to upgrade to. Every invoice is generated in your browser, so there is no server cost to recover and nothing to meter.

There is no watermark, no invoice limit, and no account to create.

Is my invoice data sent anywhere?

No. The form, the calculations and the PDF are all produced by JavaScript running on your own device. Nothing you type is transmitted.

You can confirm this yourself: open your browser's developer tools, switch to the Network tab, and fill in an invoice. No request carries your data, because there is no endpoint to carry it to.

The only files the page requests are its own fonts, code and the PDF rendering engine.

Where is my invoice saved, and will it still be there tomorrow?

Your draft is written to this browser's local storage on this device. Reloading the page brings it back.

It is not backed up anywhere. Clearing your site data, using private browsing, or switching to another browser or device will lose it. Download the PDF if you need to keep a copy.

There is a Clear saved invoice button under the form when you want it gone.

Do I need to sign up?

No. There is no sign-up and no account system at all, and the generator never asks for an email address — you can create and download an invoice without identifying yourself in any way.

The only place an email address is ever requested is the optional updates form at the foot of the page, which tells you when a new feature ships. Subscribing is entirely separate from using the tool, and skipping it changes nothing.

Is tax calculated before or after the discount?

After. The discount is subtracted from the subtotal first, and tax is charged on what remains.

This is the common convention and what most tax authorities expect. The full order of operations is listed on this page so you can reproduce every figure by hand.

Shipping is added after tax and is not itself taxed.

Can I make a quote, an estimate or a credit note instead?

Yes. Open Invoice settings and rename the fields. Changing the document title from “Invoice” to “Quote”, “Estimate”, “Credit note” or “Proforma invoice” changes the heading on the PDF.

Other labels can be renamed the same way, which is useful if you invoice in a language other than English or your industry uses different wording.

Which currencies can I invoice in?

Fifteen: US dollar, euro, British pound, Canadian dollar, Australian dollar, New Zealand dollar, Indian rupee, Japanese yen, Swiss franc, Swedish krona, Singapore dollar, South African rand, UAE dirham, Brazilian real and Mexican peso.

Currencies without minor units, such as the yen, are formatted without decimal places.

There is no currency conversion. Amounts are shown in whatever currency you select.

Is the preview the same as the file I download?

Yes. The pane on the right renders the actual PDF, not an HTML mock-up of one, so what you see is what saves.

The text in the file is real, selectable text rather than an image, so it can be searched, copied and read by accounting software.

Can I bill for half an hour, or fractional quantities?

Yes. Quantities accept decimals, so 1.5 hours or 0.25 days work as expected.

Every amount is calculated in whole cents using half-up rounding, so the line amounts always add up to the total exactly.

What does a valid invoice need to include?

Requirements vary by country, but almost every jurisdiction expects the same core: the word “invoice”, a unique invoice number, the issue date, the full name and address of both you and your client, a description of what was supplied, the amount due, and any tax charged shown separately.

If you are registered for VAT, GST or sales tax, your registration number usually has to appear as well, along with the tax rate applied.

This is general information, not tax advice. Check what your own tax authority requires.

Does it work offline?

Not reliably. The page has to be loaded from the network first, and it does not install a service worker, so a fresh visit while offline will fail.

Once the page is open, filling in the form and generating the PDF happen locally and do not need a connection.

Can I print the invoice instead of emailing it?

Yes. Download the PDF and print it from your PDF reader. The document is laid out for A4 with margins that survive a home printer's unprintable edge.

What this doesn't do

Worth knowing before you rely on it. If you need any of the following, this is the wrong tool and a hosted invoicing service is the right one.

No recurring or scheduled invoices — each one is created by hand.
No payment collection. The PDF can state your bank details, but nothing is processed here.
No client or product database. Nothing is remembered between invoices except the one you are working on.
No accounts, no sharing, no multi-user access.
No accounting export — there is no CSV, QuickBooks or Xero integration.
No emailing. You download the PDF and send it yourself.
Your draft lives in one browser on one device. It will not follow you to your phone.

Free, and free permanently, because there is nothing to meter.

Every invoice is built by code running on your own machine, so the cost of generating one is zero no matter how many you make. That is the whole model — and it is why the tool itself never needs to know who you are.

Create an invoice

Get an email when something ships.

New fields, new currencies, new export options. No schedule and no filler — if there is nothing worth telling you, nothing gets sent.