Practical invoice utilities

Free invoice tools for freelancers and small businesses

Use focused tools for the work around an invoice: plan rates, project prices, VAT, deposits, due dates and numbering; check VAT or IBAN details; view and check supported e-invoice XML; build a review checklist; or generate a static or SEPA payment QR. Each tool explains what it calculates or checks and what you should review before using the result.

Need customer details first? Find a company for your invoice using supported public business sources.

Need to understand a field before using a tool? Browse the invoice glossary.

Company lookup

Find the business before you start the invoice

In supported countries, search public company data, review the result, and start an editable invoice with selected business details already filled in.

Explore company lookup in all supported countries

Norway · Bedriftssøk

Company lookup for invoicing

Search Brønnøysundregistrenes Enhetsregister using a company name or organisasjonsnummer, review the public details, then continue into an editable invoice without retyping the customer.

Søk etter norsk bedrift
Finland · Yrityshaku

Company lookup for invoicing

Search PRH / YTJ open data using a company name or Y-tunnus, review the public details, then continue into an editable invoice without retyping the customer.

Hae suomalaista yritystä
Sweden · Företagssök

Company lookup for invoicing

Search Bolagsverket — Värdefulla datamängder by organisationsnummer, review the public details, then continue into an editable invoice without retyping the customer.

Sök svenskt företag
Denmark · CVR-opslag

Company lookup for invoicing

Search Det Centrale Virksomhedsregister (CVR) via Datafordeleren by CVR number, review the public details, then continue into an editable invoice without retyping the customer.

Slå dansk virksomhed op
Step 1

Plan your work

Set sustainable pricing and agree how the project will be paid.

Pricing

Freelance hourly and day rate calculator

Turn an income goal, business costs, contingency, and realistic billable capacity into baseline and buffered rates.

Calculate freelance rates
Project payments

Deposit and balance calculator

Split a project total into a deposit and a final balance or two to five milestone payments, with clear rounding for the selected currency.

Plan project payments
Step 2

Create your invoice

Choose a clear document identity and payment deadline.

Dates and payment terms

Invoice due date calculator

Add Due on receipt, Net 7, 14, 30, 45, 60, or custom calendar days to an invoice issue date. See the calculated due date and the payment term used.

Calculate an invoice due date
Document identity

Invoice number generator

Design a readable prefix, optional year, separator, and padded sequence, then preview three examples without reserving a number or changing a counter.

Plan an invoice number format
Step 3

Final review

Check the document details and presentation before sending.

Pre-send review

Invoice readiness checklist

Choose the document type and relevant features to build a focused review list for details, amounts, tax, payment, QR, branding, preview, and export.

Build a readiness checklist
Step 4

Share & get paid

Create a reviewed static code for sharing or an EPC/SEPA payment instruction.

Payment and sharing

Static QR code generator

Create a static QR code for a reviewed payment link, website, business contact, email draft, phone number, or plain text, then download PNG or SVG.

Generate a static QR code
SEPA payments

SEPA payment QR code generator

Create an EPC/SEPA payment QR from a reviewed beneficiary name, IBAN, optional EUR amount, and payment reference, then check the readable payment details before download.

Generate a SEPA payment QR
More utilities

Check pricing, customer, bank and structured-invoice details

Use focused calculations, public-source checks and e-invoice review tools before you reuse values or invoice data.

VAT arithmetic

VAT calculator

Add VAT to a net amount or extract VAT from a gross amount using the rate you enter.

Calculate VAT
Customer VAT reference

EU VAT number checker (VIES)

Check one EU or Northern Ireland VAT number against European Commission VIES and keep invalid results separate from service outages.

Check a VAT number
Nordic e-invoicing route

Invoice Route Advisor

Check the electronic invoicing route for a Danish, Norwegian, Swedish or Finnish customer, with a decision table and evidence for every result.

Check invoice route
Project pricing

Profit margin and project price calculator

Calculate a selling price from target margin or markup, or analyse the margin of a known price.

Calculate project price
Bank details

IBAN validator

Check whether an IBAN has a valid basic format and checksum, then review the normalized value and country details.

Validate an IBAN
Payment reference

RF creditor reference generator and checker

Add ISO 11649 check digits to a reference, or check whether an existing RF creditor reference is valid.

Generate or check an RF reference
Currency reference

ECB FX reference-rate calculator

Convert an amount between currencies using European Central Bank daily reference rates.

Convert currencies
Official address reference

Norway address lookup

Look up an official Norwegian address from Kartverket and copy it for your customer details.

Search an address
Peppol · EN 16931 · UBL

E-invoice XML viewer & checker

Open or paste supported Peppol, UBL, OIOUBL or Finvoice XML, read the invoice details and review deterministic preflight findings on the same page.

View & check e-invoice XML
Overdue interest estimate

Late payment interest calculator

Estimate simple overdue interest on a late invoice using a rate you enter.

Estimate overdue interest
Payment reminder

Payment reminder generator

Prepare a reviewed payment reminder for an unpaid invoice, choose a stage and tone, then copy the text yourself.

Generate a payment reminder
Next step

Turn the reviewed details into an invoice.

Open the editor, add the information you have checked, and verify the finished document before sending it yourself.

Open invoice editor