Free Excel invoice template or free invoicing software?

Every entrepreneur should have suitable and working tools available. We offer you a free Isolta invoicing software that is already used by thousands of satisfied entrepreneurs or a handy Excel invoice template.

Free invoicing software

  • Clear invoice templates
  • Use for as long as you like
  • Invoice archive
  • Automatic invoice numbering
  • Option to send e-invoices
  • List of invoices
  • Default settings for invoicing

Why are we giving out free invoicing software?

Free Excel invoice template

  • Ready-to-use invoice template
  • Copy invoice template into a new invoice
  • Possibility to edit invoice template

Why are you giving out free invoicing software?

We think that every entrepreneur benefit on using a tool for invoicing that is actually designed for invoicing. You can use Isolta for free with few invoices. However, when your amount of invoices and customers increase you can upgrade your account to a paid version. This is why we can offer a free invoicing software that meet the basic needs for invoicing.

We have been working among entrepreneurs for over 15 years, and entrepreneurship is close to our heart. Our duty is to ask, listen, and help – to develop the service according to your wishes.

Free invoicing software — pay only when your business starts to thrive

Completely free if you send invoices only occasionally. Reasonably priced for small businesses.

Possible billing period:

Invoicing Create and send invoices effortlessly. Use different invoice templates and barcode.

Receivables Check from the invoice list if the invoice is past due, paid or unpaid.

Payment reminders Add late payment fees and penalty interest and send the reminder to your customer

Sales reports With the help of sales reports you are able to estimate how your business is doing. Send reports to your accountant too!

Customer management (CRM) Keep track of your customers' orders, communications and agreements.

Product Register Save products, services, hourly rates and add them to the invoice directly from the product register.

Quotes Create quotes, order confirmations and dispatch notes from invoice drafts.

Free customer support Do you have any questions or need help using Isolta? We will happily help you, for free.

Email and PDF-invoices per invoice sent Send the invoice directly from Isolta to your customer's email, or download it as a PDF file and print / send it separately.

E-invoice to Estonia per invoice sent Send the invoice as an e-invoice directly to your Estonian customer's purchase invoice system.

E-invoice to Finland per invoice sent Send the invoice as an e-invoice directly to your Finnish customer's purchase invoice system.


With 10 invoices per year you get Isolta and all of its features free of charge. When you run out of free invoices you can upgrade to the unlimited plan. E-invoices, printing service, checking payment defaults are services with additional transaction fee.

Earn more free invoices by recommending Isolta to others. If someone that you recommended Isolta to signs up for Isolta you both get 5 free more invoices to send.


/ Month





Pro version includes all the software features without restrictions. You can choose the invoicing period to be 1, 3 or 12 months. The subscription will be automatically renewed if you do not cancel the subscription before the next invoicing period starts.

E-invoicing, printing service, debt collection and checking payment defaults are services with additional transaction fee.


/ Month + VAT




No credit card. No commitments.

Easy invoicing with the invoicing software

It is easy to invoice. Enter the customer, add the products or services and press send. Our program automatically handles the invoice- and reference numbering and also gives you the option to create invoices in different languages. In addition to this you can choose if you want to send your invoices traditionally in paper or electronically.

Take a look at the video and see how you create an invoice with the free version of Isolta.

No credit card. No commitments.

Online system rocks immediately after the first tests

Arttu Muukkonen
Suunnittelutoimisto Koskine & Muukkone Oy

Some of the best free software I have used

Henrik Tenhovirta
Elementti web-kehitys ja konsultointi

If internet works, Isolta works. I have never had any problems.

Jarno Stålhane

Instructions for the Excel invoice template

  1. Save the invoice template on your computer and open it with Excel.
  2. Fill in your company information in the fields E3, E4 and E5 and replace the Isolta logo with your own logo, or just remove it.
  3. Give every invoice a running invoice number (field L6) and add a reference number from the list of reference numbers that you have got from your bank (in field F54).
  4. Also fill in all the other basic elements for each invoice, such as term of payment, delivery date etc.
  5. If you want to fill in a description of your invoice add it in field C17.
  6. Fill in all information needed in the invoice rows. Based on the number of pieces (Column H), the duty-free unit price (Column J) and VAT-percentage (Column K), the total sum of the row (Column L) and the VAT-specification in the bottom of the invoice template is calculated.
  7. Print or save the invoice as a PDF-file and send it to your customer either by mail or e-mail.
  8. Save each invoice as a copy of the invoice template and name it according to the invoice numbering.
  9. Archive your invoices in folders that you name according to customers, month or year.

Most of the columns are locked to avoid breaking the invoice template when using it, however all the fields that need to be revised are open. You can unlock the other fields by using the “Protect and Share Workbook” tool under the “Review” tab.