// NanosoftLabs · NanoInvoice
Create professional invoices, track payments, and generate PDFs — entirely offline. No cloud login, no subscription, no one reading your client list but you.
// What you get
No feature paywalls. No "upgrade to export PDF." Every capability is available the moment you install.
Generate pixel-perfect PDF invoices with your logo, line items, tax breakdown, and payment terms. Share via email or print directly.
Store client contact details, billing addresses, and payment terms. Autofill new invoices from saved client profiles.
Mark invoices as paid, partial, or overdue. See outstanding balances at a glance and get a clear picture of your cash flow.
Configurable tax rates per line item or globally. Supports VAT-exclusive and inclusive pricing for South African and international use.
Save frequently invoiced items with descriptions and rates. Build invoices in seconds by picking from your library.
Monthly and annual summaries. Filter by client, status, or date range. Export to CSV for your accountant or import into NanoBooks.
Configurable sequential numbering with custom prefixes. Keeps your records consistent and professionally formatted.
Invoice in ZAR, USD, EUR, GBP, or any currency. Exchange rates are set manually — no internet dependency, ever.
Your entire database is one portable SQLite file. Back it up to Dropbox, a USB drive, or anywhere you control. No vendor lock-in.
// Workflow
No account creation. No onboarding emails. No credit card.
One installer file. Runs natively on Windows, macOS, and Linux. No internet connection needed after download.
Enter your business name, logo, banking details, and default tax rate. Takes about two minutes.
Add a client, pick your line items, and generate a PDF. Email it directly or save it to send yourself.
Mark invoices paid as money lands. Your dashboard shows outstanding, overdue, and collected at a glance.
We're a small team, and we build better software faster by working with AI as a development partner. We're transparent about this because the way AI is used matters enormously.
AI assists with code generation and boilerplate. But every line that ships has been reviewed, tested, and held to the same standards we've enforced across 15+ years of professional software engineering. AI doesn't replace judgement — it amplifies it.
NanosoftLabs is built by the team at Nanosoft, a Cape Town software consultancy. We've shipped production systems across web, mobile, desktop, and embedded — for clients ranging from small retailers to logistics operations.
"AI helps us move faster. Experience is what stops us from shipping fast junk. The two together mean you get well-built software that doesn't cost you a subscription."
// Under the hood
Every technology choice was made to keep the app fast, portable, and yours.
// Free download
No account. No card. No cloud. Just a desktop app that does what invoicing software should.
FREE · OFFLINE · WINDOWS · MACOS · LINUX · SQLITE · NO SUBSCRIPTION