DPP URL checker
Scan a QR, choose an image or paste a DPP URL. Inspect its structure and supported GS1 fields locally, without opening the link.
Scan and check a DPP URL
Scan a product QR code or choose a photo to see its link structure and encoded fields. QR codes only; Data Matrix and NFC are not supported.
Preparing the local tool…
Supported formats and sources
This version checks ordinary HTTP/HTTPS URL structure and a limited uncompressed GS1 profile: AI 01 (GTIN-14/check digit), optional 22/10/21 in order, date query attributes 11/13/15/16/17 and net weight 3100–3105. Other fields are displayed as not checked; unsupported formats are not treated as illegal. It does not perform full GS1 association rules, domain, certificate, issuer, registry or legal verification.
Only1 prepared these explanations with reference to the following original sources. External references open only when you choose their links.
- GS1 AISBL · Digital Link URI Syntax 1.7.0 (Aug 2026)
- GS1 · Application Identifiers
- European Commission · The DPP Registry