Is this invoice generator really free?+
Yes, and there is nothing to sign up for. There is no watermark on the PDF, no limit on how many you make, and no paid tier that unlocks the useful part. The tool runs entirely in your browser, which is also why it costs nothing to give away.
Where is my data stored?+
On your own device, in your browser, and nowhere else. Your business details, your customer, your prices and your logo are saved in local storage so the next document starts where you left off. Nothing is uploaded, there is no account, and this site never sees any of it. Clearing your browser data clears it.
What should my invoice number be?+
Anything you like, as long as it is unique and the sequence is unbroken. INV-0001, 2026/014 and 000123 are all fine. The builder increments whatever you give it and keeps the padding, so INV-0007 becomes INV-0008. Never reuse a number: a gap or a duplicate in a numbering sequence looks exactly like an invoice that was issued and not declared.
Can I add my logo?+
Yes. Upload a PNG, JPEG or WebP and it appears on the document and in the PDF. The file is read on your own machine and stored as part of the saved draft, so it never travels anywhere. Keep it under about 350KB — beyond that there is not room to store it alongside the rest of the document.
Does it handle VAT, GST or sales tax?+
It handles whatever rate you set, under whatever name you use for it. Set the rate and the label once in the settings chip in the site header and every document picks it up. If one document needs a different rate, change it there; if different lines need different rates, switch on per-line rates and the document adds a rate summary showing the net and the tax at each.
My prices already include tax. Does that work?+
Yes — tick “my prices already include tax” and each unit price is shown net on the document with the tax added back underneath, so the customer still pays exactly the figure you typed. That conversion is division, not subtraction: taking 20% out of 120 gives 100, while taking 20% off 120 gives 96. Getting that backwards is the most common arithmetic error on an invoice.
Should a discount come off before or after tax?+
Before, and this builder does it that way. Tax is charged on what the customer actually pays, so a discount applied after tax leaves you having charged tax on money nobody paid. On a document carrying more than one rate the discount is also split across the lines in proportion to their value, or the tax at each rate comes out wrong while the total still looks plausible.
Can I edit the invoice after downloading it?+
Download the Word version and you can edit anything, which is exactly what a PDF is designed to stop. In practice, though, an invoice you have already sent should not be edited at all: issue a credit note against it and raise a new one. Two documents carrying the same number is what causes the argument later.
Why does my total not match what I get on a calculator?+
It should, and if it does not the usual cause is rounding. Every line here is rounded to the penny as it is created and the totals are added up from those rounded figures, so the printed column adds up to the printed total. Tools that keep full precision internally and round only at the end produce documents that are technically more accurate and visibly do not add up — which is the first thing a customer checks.
Can I use this for a quotation or a proforma?+
Yes — the same builder makes all three, and switching between them keeps your lines and your customer. A quotation is an offer before the work is agreed and carries an expiry date rather than a due date. A proforma asks for payment before you supply. An invoice demands payment for something already supplied. Same arithmetic, three different promises.