The smartest invoices online for freelancers
and small businesses

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miniFAKTÚRA najšikovnejšie faktúry online

Online invoices, estimates, orders, expenses and much more...

Issue invoices online and manage your business with the help of a smart tool created for freelancers and small companies. Raise the effectivness of your administration and make time for what you love.

Top functions of Billdu online

We create tools, that save time and accelerate the growth of your business.

miniFAKTÚRA rýchlosť a jednoduchosť

Fast and simple

Create and send professional online invoices, estimates and orders in just a few seconds

miniFAKTÚRA Pekné a inteligentné faktúry

Professional and smart invoices

Present yourself not only with stunning invoices, but also with invoices, that include many smart functions.

miniFAKTÚRA evidencia nákladov

Expense management

Managment of costs and received invoices. Automatic issuement of recurring costs.

miniFAKTÚRA prepojenie s účtovníkom

Connection with an accountant

You no longer have to bring your invoices anywhere and your accountant doesn’t have to tediously type them into a computer.

miniFAKTÚRA offline

More companies and users

Billdu supports more companies and users in one account.

miniFAKTÚRA upomienky


A practical way of keeping track of payment dodgers. A choice between various reminder templates.

miniFAKTÚRA online

Accessible online

Without installation or saving to your hard drive - all your documents are always accessible online.

miniFAKTÚRA bezpečnosť


All documents are saved on a secured server, similarly to a bank.

miniFAKTÚRA support

Expert Support

Don't have a clue what to do? Our supporters will be more than happy to help you out.


small businesses
trust Billdu in their everyday work

Do not hesitate and kickstart your business today