Free Tools

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QR-Code Validator

Validate EPC QR codes for SEPA payments and Swiss QR codes from Swiss QR invoices. The validator checks the structure, analyzes all fields and displays errors clearly. With integrated camera scanner you can scan QR codes directly from paper invoices or upload image files.

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Leitweg-ID Validator

Check the validity of Leitweg-IDs for electronic invoices in Germany. The validator checks the structure according to XRechnung standard and displays detailed information about individual components. Supports both coarse addressing and fine addressing with specific recipients.

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Tax Calculator

Quickly calculate gross and net amounts as well as included VAT. The calculator supports various tax rates and calculates in both directions: from net to gross and vice versa. Ideal for quick calculations when creating quotes or checking invoices.

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E-Invoice Anonymizer

Automatically remove personal data from e-invoices to share them securely - for example for support requests or sample documents. The anonymizer replaces names, addresses and other sensitive information while preserving the structure and formatting of the invoice.

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Invoicing Software for Mac

For professional invoicing we recommend GrandTotal - the comprehensive business software for Mac with QR code generation, XRechnung support and many other features.

Learn more about GrandTotal