NR
Northrup Studio
ABN 51 824 753 556
Sent · copy keptTAX INVOICE
INV-0042
GST · AUDWebsite design & build$2,000.00
Hosting (annual)$400.00
Subtotal$2,400.00
GST (10%)$240.00
Total due$2,640.00
Made with simpletaxinvoice.com · private, no sign-up
Private · client-side · no sign-up
The invoice tool that never sees your invoices.
Branded country-aware invoices, made in your browser. No account, no servers of ours holding your data — it leaves your browser only when you share, send, export or back it up yourself. A clean PDF in seconds.
Set up for 🌐 Other / Global — the flexible global format. Change it in the top-right.
No sign-upStored on your device by defaultPDF export
click a colour · toggle the tax — it's live
Built for real work, worldwide
Branded invoices, sent-proof records, payment tracking and reminders — no account, no ads.
Built like a private instrument, not a funnel.
Private by architecture
No server of ours holds your invoices — they're stored on your device by default, so we can't see them. The privacy pitch a funded competitor can't make.
Country-aware tax
Australian GST, UK VAT, New Zealand GST and Singapore GST with the right labels, tax point and editable default rates — plus clean no-sales-tax invoices for the US.
Rates by date
Every invoice uses the rate that applied on its date.
Example
GST 10%→12% · 1 Jul
Get paid faster
Add professional numbering, a clear due date and payment details, then see what's overdue at a glance.
Send your way
Email, WhatsApp or share the PDF — you send it, we never do.
The get-paid loop
Create it, send it, prove it, track it, chase it.
01
Create
Branded invoice with your logo, colour and the right tax for your country — including non-standard tax treatments when a sale needs one.
02
Send
Export a real PDF built from data — selectable text, not a screenshot.
03
Prove
Mark it sent and the app freezes a PDF of its current state, with an integrity check — a clear record of what you marked sent and when.
04
Track
See what's outstanding and what's overdue at a glance, updated the moment you mark an invoice paid.
05
Chase
Draft a reminder in the right tone — friendly, due today, overdue or final — and send it yourself.
Straight answers
The questions people actually ask.
Which countries are supported?
Australia (GST), the United Kingdom (VAT), the United States (no-tax invoices), New Zealand (GST) and Singapore (GST) have dedicated pages today, plus a flexible general format you can adapt to other countries — you set the tax label, rate and currency. More country pages are on the way.
Is it really free?
Yes — every feature, no account, no trial. To keep it free, content pages like our guides may later carry ads or affiliate links — never inside the editor, where your data lives.
Where does my data go?
It's saved in your browser on your device. Clear your browser and it's gone — so keep a backup (one click). Optional Google Drive backup is built in: strictly opt-in, it saves a backup file to your own Drive, can only see backup files it creates or that you open with it, and every restore is validated first.
Are the tax rates correct?
You own the rate. We give sensible editable defaults and do the arithmetic — but you set what's right. It's a calculator, not tax advice.
Can I make a non-standard tax treatment invoice?
Yes — for the AU template, pick GST-free, input taxed or reverse charge next to the GST rate; for the UK template, pick zero-rated, exempt or reverse charge next to the VAT rate; for the NZ template, pick zero-rated or exempt supply next to GST; for the Singapore template, pick zero-rated or exempt supply next to GST. The generator prints a clarity statement for your selection automatically, generated from your choice rather than typed by hand. See the country guides for exactly what's covered.
What happens when I mark an invoice sent?
The app generates and freezes a PDF of the invoice's current state — bytes, business details and all — with an integrity check. That's a record of what you marked sent and when, not necessarily the exact bytes that left your device if you edited the invoice afterward. It's for your own records, not a signed legal document.
Your first invoice is already loaded.
No sign-up wall. Open it, make it yours, send it.