GTIN barcode checker
Amazon and Google Shopping reject products with invalid barcodes. Check the check digit, code type and prefix before uploading.
No sign-up — runs in your browser
How we calculate
The prefix shows which GS1 office issued the licence — not the country of manufacture. Cheap resold barcodes may be mathematically valid yet not registered to you.
Numbers say you need a plan?
We’ll review your numbers with you and suggest what lifts your profit — first session free.
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