---
schema-version: v1.2.9
id: W3CREC-PNG-20031110
title:
- content: Portable Network Graphics (PNG) Specification (Second Edition)
  format: text/plain
link:
- content: https://www.w3.org/TR/2003/REC-PNG-20031110/
  type: src
type: standard
docid:
- id: W3C REC-PNG-20031110
  type: W3C
  primary: true
docnumber: REC-PNG-20031110
date:
- type: published
  value: '2003-11-10'
contributor:
- organization:
    name:
    - content: World Wide Web Consortium
    abbreviation:
      content: W3C
    url: https://www.w3.org/
  role:
  - type: publisher
- person:
    name:
      given:
        forename:
        - content: David
          language:
          - en
          script:
          - Latn
      surname:
        content: Duce
        language:
        - en
        script:
        - Latn
  role:
  - type: editor
revdate: '2003-11-10'
language:
- en
script:
- Latn
docstatus:
  stage:
    value: Recommendation
relation:
- type: editionOf
  bibitem:
    id: W3CPNG
    title:
    - content: Portable Network Graphics (PNG) Specification (Second Edition)
      format: text/plain
    link:
    - content: https://www.w3.org/TR/PNG/
      type: src
    docid:
    - id: W3C PNG
      type: W3C
      primary: true
- type: obsoletes
  bibitem:
    id: W3CPR-PNG-20030520
    title:
    - content: Portable Network Graphics (PNG) Specification (Second Edition)
      format: text/plain
    link:
    - content: https://www.w3.org/TR/2003/PR-PNG-20030520/
      type: src
    docid:
    - id: W3C PR-PNG-20030520
      type: W3C
      primary: true
series:
- title:
    content: W3C Recommendation
    format: text/plain
  number: REC-PNG-20031110
ext:
  schema-version: v1.0.0
  doctype:
    type: technicalReport
  editorialgroup:
  - name: UNKNOWN WORKING GROUP