---
id: mdoc-decoder
title: Decode mdoc CBOR (ISO/IEC 18013-5 IssuerSigned)
description: Free online mdoc CBOR decoder. Inspect IssuerSigned structures, COSE_Sign1 issuer authentication, the Mobile Security Object, namespaces, and the issuer x5chain certificate.
hide_title: true
hide_table_of_contents: true
sidebar_label: mdoc CBOR Decoder
keywords:
  - mdoc decoder
  - CBOR decoder
  - ISO 18013-5
  - IssuerSigned
  - Mobile Security Object
  - MSO
  - COSE_Sign1
  - x5chain
  - eu.europa.ec.eudi.pid.1
  - EUDI Wallet
  - mDL
  - developer tools
slug: /devtools-mdoc-decoder/
---

> **Build this with an AI coding agent.** Install the iGrant.io Agent Skills, then ask your agent to build the integration:
>
> ```bash
> npx skills add L3-iGrant/skills
> ```


import MdocDecoderSeo from '@site/src/components/MdocDecoder/MdocDecoderSeo';
import MdocDecoder from '@site/src/components/MdocDecoder';

<MdocDecoderSeo />

<MdocDecoder />