GS1 GTIN Calculator
Quickly generate and validate GTIN codes with our free online tool, ideal for retailers, manufacturers, and supply chain professionals.

Check It Yourself
About This Tool
Our GS1 GTIN Calculator is an essential tool for anyone working with product barcodes in retail, manufacturing, or logistics. It helps you generate correct GTINs by adding check digits based on your input, or validate existing codes to ensure they meet international standards.
Simply select the GTIN type (GTIN-8, GTIN-12, GTIN-13, or GTIN-14), enter your base number, and click 'Calculate'. The tool will provide you with a full GTIN code, including the correct check digit, or validate your GTIN for correctness. This process ensures your barcodes are accurate, compliant, and ready for scanning.
Designed for ease of use, it offers real-time validation results, handles common errors, and can be integrated into your workflow for quick barcode verification. Whether you are updating product listings, creating new labels, or checking existing codes, this tool simplifies the process and reduces errors, saving you time and resources.
How to Use
1. Select your GTIN type from the dropdown menu.
2. Enter your base number (numeric, without check digit).
3. Click the 'Calculate' button to generate the full GTIN code with check digit.
4. Or, check the validate box to verify an existing GTIN.
5. View results, copy, or export as needed.

FAQs/Additional Resources
Find Quick Answers
What is a GTIN and why is it important?
Can I generate GTINs for all product types?
How does the check digit get calculated?
Is this tool suitable for bulk GTIN processing?
Is the GTIN validation process accurate?
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