Free GS1 barcode validator

Catch the barcode errors
before they cost you.

Paste a GS1 element string and see every problem at once, with the exact fix. Runs entirely in your browser (pure-Swift engine compiled to WebAssembly). Nothing is uploaded.

check ~90 symbologies check GS1 Digital Link check 100% client-side
Strict assigned-AI validation. Example prefilled; edit to try your own.
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One engine, every code

~90 symbologies, verified bit-for-bit

The same pure-Swift engine validates, generates, and reads from a photo. This page runs the validator in WebAssembly.

GS1 DataMatrixGS1 Digital LinkGS1-128 EAN-13UPC-AQRData Matrix PDF417AztecDataBarITF-14 Code 128SSCC+ 70 more
Pricing

Free to validate. Paid to automate.

Free
EUR 0
  • This browser validator
  • All symbologies
  • One quick-fix at a time
Use it above
Pro
EUR 15/mo
  • Unlimited validation
  • Saved codes
  • Label export
Coming soon
Preflight
EUR 49/mo
  • Artwork preflight (PDF)
  • Batch
  • Print-spec checks
Coming soon
API / OEM
EUR 25/mo+
  • REST API
  • Commercial license
  • On-prem build
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