CSV to e-invoice field mapper

Map spreadsheet or CSV column names to canonical invoice business terms and export a reusable mapping.

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CSV to e-invoice field mapper

Map spreadsheet or CSV column names to canonical invoice business terms and export a reusable mapping.

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CSV header row

Invoice Number,Issue Date,Currency,Supplier VAT,Customer VAT,Description,Quantity,Unit Price,VAT Rate

Results

Source column	Canonical field	Confidence
Invoice Number	invoiceNumber	high
Issue Date	issueDate	high
Currency	currency	high
Supplier VAT	sellerId	high
Customer VAT	buyerId	high
Description	description	high
Quantity	quantity	high
Unit Price	unitPrice	high
VAT Rate	taxRate	high

{
  "Invoice Number": "invoiceNumber",
  "Issue Date": "issueDate",
  "Currency": "currency",
  "Supplier VAT": "sellerId",
  "Customer VAT": "buyerId",
  "Description": "description",
  "Quantity": "quantity",
  "Unit Price": "unitPrice",
  "VAT Rate": "taxRate"
}

Methodology

CSV to e-invoice field mapper · Czechia

Map spreadsheet and CSV header names to a canonical invoice field model, then export a mapping file for an ERP or API integration.

What the tool checks

Source column normalization
Likely canonical business term
Mapping confidence
Reusable JSON mapping

What it cannot confirm

Technical check only

Sample data and transformations still need testing
National extensions require additional fields

Requirements Official sources