Running a small business is hard.
Managing money shouldn't be.
iinfii gives freelancers and small business owners the tools they need to invoice clients and understand their finances — without the complexity or cost.
iinfii gives freelancers and small business owners the tools they need to invoice clients and understand their finances — without the complexity or cost.
Two focused tools. One for creating invoices, one for learning how to run your business finances.
Create professional invoices structured for 20+ countries' tax rates and invoicing requirements — in seconds. Download as PDF or e-Invoice XML (ZUGFeRD, Factur-X, FatturaPA). No account required — your data never leaves your browser.
Practical articles on invoicing requirements, VAT rules, e-invoicing mandates, and running your business finances — written for the countries you actually work in.
Everything runs in your browser. No server, no account, no data stored anywhere but your device.
Correct tax rates, required fields, and legal formats for every country — from Germany to Greece.
No signup, no onboarding. Open the generator, fill in your details, download. Done.
Standard PDF for your clients, plus machine-readable XML formats required by an increasing number of countries.
Jun 28, 2026
Writing invoices correctly in the US can be trickier than it looks. This guide walks you through every required field, sales tax rules, e-invoicing, and IRS record-keeping obligations — with practical templates for every type of business.
Read more →Dec 1, 2025
Writing invoices correctly in Canada can be trickier than it looks. This guide walks you through every required field, GST/HST rules, e-invoicing, and record-keeping obligations — with practical templates for every type of business.
Read more →Dec 1, 2025
Writing invoices correctly in Ireland can be trickier than it looks. This guide walks you through every required field, VAT rules, e-invoicing, and record-keeping obligations — with practical templates for every type of business.
Read more →Free, private, no account required. Just open the generator and create your first invoice.
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