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DOCUMENT

.MD

MD Converter

Convert MD files with ConverterHQ using workflows tuned for document compatibility, predictable output, and practical downstream use.

Created: 2004active1 extensions

Quality and compatibility profile

Core technical and historical facts used for conversion quality, compatibility decisions, and SEO uniqueness.

FeatureFact sheet
CategoryDOCUMENT
Extensions.md
MIME typestext/markdown
Created2004
InventorJohn Gruber and Aaron Swartz
Statusactive
Compression typelossy
Supports Text Search
Supports Print Workflows
Format Typedocument
ContainerMD container
Supports Printing
Transparency support
Animation support
Layer support
Vector scaling
Reflowable text
Multitrack content
Camera raw data
HDR content
Structured data
Streaming delivery

About this format

MD format context

Format: MD

Overview

Markdown matters because it made structured writing approachable in plain text, allowing authors to write readable source files that could still turn cleanly into HTML and other rich outputs.

Writers wanted a format that stayed readable in plain text while still being easy to transform into structured published documents.

Markdown is now a default source format for documentation, developer writing, notes, publishing pipelines, wikis, and static site generation.

MD is closely associated with Markdown ecosystem / CommonMark project.

MD is usually selected for workflows that center on authoring, review and collaboration, distribution.

Typical Workflows

  • authoring
  • review and collaboration
  • distribution

Common Software

  • docs generators
  • Git platforms
  • knowledge tools
  • Pandoc

Strengths

  • Readable in raw plain text.
  • Easy to version, diff, and transform.
  • Strong fit for documentation and writing workflows.

Limitations

  • Feature sets vary significantly across implementations.
  • The simplicity that made Markdown popular also created years of portability ambiguity.

Related Formats

  • HTML
  • TXT
  • RST
  • TEX

Interesting Context

Markdown was created in 2004 by John Gruber with Aaron Swartz, but the later CommonMark effort became important because the original syntax description was too ambiguous to keep implementations aligned.

Markdown sits at the center of developer documentation, static-site generation, note-taking apps, README files, docs-as-code workflows, and publishing pipelines built with tools like Pandoc, GitHub, GitLab, MkDocs, Hugo, and many headless CMS systems.

It also appears in product documentation, knowledge bases, and editorial workflows that value plain-text authoring and revision history.

Its ecosystem is broader than software alone because it bridges writing and automation unusually well.

Status: active. Introduced: 2004. Invented by: John Gruber and Aaron Swartz. Stewarded by: Markdown ecosystem / CommonMark project.

How MD fits into workflows

Workflow role: MD

Convert to Markdown when the output should remain easy to edit in plain text, store in Git, review in diffs, or feed into automated publishing systems.

It is ideal for documentation, articles, developer guides, release notes, and notes that will later be rendered into richer formats.

Use Markdown when semantic structure matters more than exact page layout.

History of MD

Format history: MD

Markdown was created in 2004 by John Gruber with Aaron Swartz, but the later CommonMark effort became important because the original syntax description was too ambiguous to keep implementations aligned.

Original problem: Writers wanted a format that stayed readable in plain text while still being easy to transform into structured published documents.

Why MD still matters

Current role: MD

Markdown matters because it made structured writing approachable in plain text, allowing authors to write readable source files that could still turn cleanly into HTML and other rich outputs.

Modern role: Markdown is now a default source format for documentation, developer writing, notes, publishing pipelines, wikis, and static site generation.

When to use MD

  • authoring
  • review and collaboration
  • distribution

Advantages of MD

  • Readable in raw plain text.
  • Easy to version, diff, and transform.
  • Strong fit for documentation and writing workflows.

Limitations of MD

  • Feature sets vary significantly across implementations.
  • The simplicity that made Markdown popular also created years of portability ambiguity.

Formats related to MD

MD technical profile

FeatureFact sheet
Categorydocument
Extensions.md
MIME typestext/markdown
Created year2004
InventorJohn Gruber and Aaron Swartz
Statusactive
supports_text_searchTrue
supports_print_workflowsTrue
compression_typelossy
format_typedocument
containerMD container
supports_printingTrue
supports_transparencyFalse
supports_animationFalse
supports_layersFalse
supports_vector_scalingFalse
supports_reflowable_textFalse
supports_multitrackFalse
camera_rawFalse
hdr_capableFalse
structured_data_capableTrue
streaming_readyFalse
sources{'url': 'https://commonmark.org/', 'title': 'Markdown / CommonMark specification', 'relevance': 'Official specification', 'source_type': 'official'}, {'url': 'https://spec.commonmark.org/', 'title': 'Markdown / CommonMark specification', 'relevance': 'Official specification', 'source_type': 'official'}, {'url': 'https://daringfireball.net/projects/markdown/', 'title': 'Reference Documentation', 'relevance': 'Technical reference', 'source_type': 'reference'}

MD quality and compatibility

Format profile: MD

Size profile: medium. Quality profile: depends. Editability profile: moderate. Compatibility profile: broad. Archival profile: strong. Metadata profile: moderate. Delivery profile: strong. Workflow profile: exchange. Status: active.

Notable capabilities: structured data.

Software that opens MD

  • docs generators
  • Git platforms
  • knowledge tools
  • Pandoc

Conversion options

Convert MD to

FAQs

Q: What is MD typically used for?

A:

MD is commonly used for authoring, review and collaboration, distribution.

Q: What are the advantages of MD?

A:

MD is broadly compatible across common software.

Q: What should I watch out for when converting MD?

A:

Check output quality and compatibility on representative sample files.

Suggested links

Formats

Category

document

Sources

Markdown / CommonMark specification

Official specification

Reference Documentation

Technical reference