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Invoicing, payments, margins and the everyday obligations of running a business.

18 tools · 100% in your browser

For business

e-Invoicing

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Peppol BIS 3.0 invoice validatorCheck that a UBL XML respects the EN 16931 and Peppol BIS rules.Factur-X & ZUGFeRD validator / extractorExtract and check the embedded XML of a Factur-X PDF invoice.PDF invoice generator (with payment QR)Create a clean PDF invoice with an embedded EPC payment QR code.UBL / Peppol invoice viewerShow a UBL XML file (a Peppol invoice) in a readable form.

IDs & payments

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IBAN validatorCheck whether an IBAN account number is valid (modulo 97 key).Company number validator (BCE / SIREN / SIRET)Validate a Belgian company number (BCE) or a French one (SIREN/SIRET).Intracommunity VAT number validatorCheck the format of an EU VAT number (27 countries, BE/FR/LU check key).Belgian structured communication generatorGenerate or check a structured communication (+++xxx/xxxx/xxxxx+++).Payment QR-code generator (EPC)Create a SEPA payment QR code that banking apps scan.

Calculators

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VAT calculator for Belgium and FranceTurn a net amount into gross (TTC) and back, at the rates in force in Belgium and France.Commercial margin calculatorGross margin, margin rate and markup, or the target selling price.Loan calculator & amortisation scheduleMonthly payment, total cost of the loan and the full amortisation table.Rent indexation calculator (Belgium)New rent from the legal Belgian formula, using the health indices.Percentage calculatorX % of Y, a share in %, a change or a discount — every percentage question.Invoice due date & B2B late-payment interestCompute the due date (30 days, end of month…) and the legal late interest.Business-day calculator for Belgium and FranceCount business days between two dates, with public holidays included.Gross / net calculator BelgiumEstimate a net salary from a gross one (ONSS, professional withholding).Gross / net calculator FranceEstimate a net salary from a gross one (contributions, CSG, prelevement à la source).