mdoc and SD-JWT Decoder for EUDI Wallets - Inspect mdoc and SD-JWT credentials in your browser

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Two free, browser-based decoders for EUDI Wallet and EU Business Wallet developers: • mdoc CBOR Decoder (new): Inspect ISO/IEC 18013-5 IssuerSigned structures: COSE_Sign1 issuer authentication, the Mobile Security Object, namespaces, and x5chain certificates. • JWT / SD-JWT Decoder (enhanced): Parse headers, payloads, signatures, SD-JWT disclosures, and key-binding JWTs. Issuer keys auto-derived from x5c, jwk, did:key, or did:jwk for one-click verification.

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Hey Product Hunt 👋 I'm George Padayatti from iGrant.io. ETSI EAA Plugtests are live (4 May – 1 June 2026), focused on SD-JWT VC and ISO 18013-5. Debugging credentials meant pasting CBOR into broken scripts or dropping sensitive data into random decoders. So we built our own. Three free, 100% browser-based tools — nothing leaves your machine: • mdoc CBOR Decoder — • JWT / SD-JWT Decoder — • QR Code Generator — They pair with our Organisation Wallet (full issuer/verifier stack for EUDI + EU Business Wallets): Workflows you can run end-to-end and decode at every step: Issuance (OpenID4VCI) • In-time • Deferred • Dynamic Holding & presentation • Receive & store • Receive & present • Send & verify EU Business Wallet & payments • Owner ID • Payment wallet attestation • Payment data confirmation • Passwordless login DCQL queries • Trusted authority • Age verification • ID alternatives • KYC • Transport pass • Loan / bank statements • Delivery / postal codes Live demos: Drop a credential sample below, email , or book time at