Free tool · No registration

Create a professional invoice in minutes

Build a clear PDF invoice with your business details, client information, line items, taxes and payment instructions. No account required.

Runs in your browser · No registration · Review local invoice requirements before use

Designed for international invoicing workflows

Multiple currencies Custom tax rates PDF export Business details Payment instructions
Why flexinvoice

Practical invoicing tools, without the clutter

Create invoices and calculate rates or taxes directly in your browser.

Create invoices efficiently

Smart templates, auto-filled line totals and one-click PDF export. You'll never type a line total by hand again.

100% free, no sign-up

No account, no trial, no credit card. Open the tool, build your invoice and download the PDF. That's the whole deal.

Your logo, your taxes, your signature

Make it unmistakably yours. Upload your logo, add tax rates and VAT, and drop in a digital signature.

What we offer

One platform, every billing need

From instant PDF invoices to calculators that make quoting painless.

01

PDF Invoice Generator

Build a branded PDF invoice with logo, configurable taxes and signature support.

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02

Freelance Rate Calculator

Turn your salary target into a confident hourly rate — or check what a quote is really worth.

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03

VAT & Tax Calculator

Add or strip VAT in one click and keep tax season painless, in any currency or rate.

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Loved by freelancers

What the tools are designed to help with

Clear client documents

Organize business, client, line-item, tax and payment information in a readable invoice layout.

Flexible calculations

Use the currency and tax rate that match your transaction instead of relying on one country-specific default.

Local control

Invoice data is prepared in your browser. Always check the legal and tax fields required in your jurisdiction.

Freelancer reviewing invoices on a laptop in a modern studio
About flexinvoice

A focused toolkit for independent professionals

flexinvoice provides straightforward tools for creating invoices and checking common billing calculations. Review local legal and tax requirements before sending any invoice.

Read our story

Create a clear, professional invoice.

No registration. Add your logo, applicable taxes and signature, then download a professional PDF.

Generate Free Invoice