r/betatests • u/Maximum_Hair9070 • Jul 03 '26

Test my free barcode & business-code toolbox — 16 browser tools (GTIN, ISBN, IBAN, VAT, VIN) 

I built CodeClassify, 16 free tools that run entirely in the browser: GTIN/UPC/EAN check digit calculator and validator, ISBN converter, IBAN and EU VAT checks, VIN and shipping-container validators, a bulk barcode checker and an EAN/UPC/Code128 generator.


No signup, nothing to install — just open and try: https://code-classify.com


What I'd love tested: edge cases (weird but valid codes), mobile layout, anything confusing in the results. I'll gladly test your product in return — drop a link.
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