FOR INDEPENDENT WORKERS · ENGLISH + KOREAN

Look professional.
Keep it simple.

Beautiful quotes and invoices from your own browser. No accounts, subscriptions, or uploading your clients' data. A focused little tool that just works.

✓Full offline toolkit planned at $12 one-time. Launching after checkout setup.
paperpilot / previewA4 · 01
NORTHSTAR STUDIOCreative direction & design
INVOICEINV-2026-001
BILL TOBluebird Creativebluebird@example.com
ISSUEDOctober 16, 2026Payment due in 14 days
DESCRIPTIONQTYAMOUNT
Brand identity consultation1$350
Visual concept boards2$450
AMOUNT DUE$800.00
Thanks for building something beautiful with us.
✓PDF ready in seconds
⌁Your data stays yours
01/Truly offline
02/한국어 + English
03/No monthly fees
04/Built for A4 PDFs

LESS ADMIN. MORE CREATIVE WORK.

Three steps. Invoice done.

A small, purpose-built tool for people who'd rather work on their business than configure another SaaS dashboard.

01

Open the file

Unzip the kit, open the HTML file. No logins, installations or internet connections.

02

Enter the details

Add your services, line-item prices, tax, discounts and payment instructions.

03

Export and deliver

Print to A4 PDF, save an editable JSON backup, or export a CSV for bookkeeping.

INTERACTIVE FREE PREVIEW

Try the math.
Feel the simplicity.

Play with a single line item and watch the total update instantly. The full downloadable kit supports multiple items, bilingual layouts, local backups, PDF and CSV export.

✓Runs right here, inside your browser
✓No data leaves this page
✓Sample amounts only; tax rules depend on your situation
Get notified about launch ↗
QUICK QUOTE CALCULATORLIVE / 01
Subtotal$450.00
Discount−$45.00
Estimated tax$40.50
Quote total$445.50

Illustrative calculation only, not a legal invoice or tax advice. USD amounts are examples.

ALL YOUR ESSENTIALS, NOTHING YOU DON'T NEED

A small download.
A big upgrade.

Read our free client-delivery checklist (한국어 포함) ↗

Engineering notes / 개발기: 7 real browser QA edge cases ↗

New free tool: ScopeLens project brief gap checker (한·영) ↗

◫
Real PDF-ready layout

A4 print styles, professional invoice and estimate formats.

文
English & Korean built in

Switch the interface and document headings without another download.

¤
7 display currencies

USD, KRW, EUR, GBP, JPY, AUD & CAD. Formatting only—no FX conversion.

⌑
Your documents, your files

Back up as JSON, export CSV, and print as PDF. No tracking.

CUSTOM WORK / PAID SCOPE INQUIRIES

Need something made just for you?

Bilingual document templates, private browser tools, and reproducible QA. See real examples and indicative rates; discuss scope before payment.

See custom services & rates ↗Free quote inquiry / 문의 ↗

A FEW GOOD QUESTIONS

Before you get started.

Is PaperPilot available to purchase right now?

Not yet. The product is prepared, but the checkout is pending seller payout verification. Request an email notification for launch; we will not collect payment before checkout is ready.

Is the invoice software actually offline?

Yes. The downloaded HTML, CSS and JavaScript files run locally in a modern browser. There is no server dependency, tracker, or cloud document storage. Your browser may still need network access for unrelated features.

Does it issue Korean electronic tax invoices?

No. It generates printable document templates, not certified e-tax invoices (전자세금계산서). Check your legal and accounting obligations separately.

Can it convert between currencies?

No. Changing the display currency changes the format and symbol; you must enter the appropriate amount yourself. No live exchange-rate conversion is performed.

What if I need a custom version for my business?

Contact us with your workflow needs for a scoped quote. No chargeable work starts until terms and payment method are mutually agreed.

READY WHEN YOU ARE

Get your time back.
Keep your standards high.

Launching soon. Early access is a simple email—no account or payment required.

Need custom bilingual invoice layouts or export fields? Request a private scope quote ↗ (no payment accepted before agreement).

Request early access ↗