Markdown to AsciiDoc Converter

Markdown to AsciiDoc Converter

Convert Markdown to AsciiDoc format instantly. Transform markdown syntax into AsciiDoc for technical documentation, books, and Antora documentation sites.

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asciidoc
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Common markdown samples for conversion
Input
Convert markdown to AsciiDoc format
How it works: Converts markdown syntax into AsciiDoc format, handling headings, emphasis, links, code blocks, and lists.

What is Markdown to AsciiDoc Converter?

Markdown to AsciiDoc Converter transforms Markdown syntax into AsciiDoc for Asciidoctor, technical books, and documentation toolchains. It converts headings, links, images, code blocks, lists, tables, blockquotes, bold, italic, and strikethrough into AsciiDoc notation. The output can be copied or downloaded as an .adoc file.

How does Markdown to AsciiDoc Converter work?

This tool applies pattern-based transformation rules that map Markdown tokens to AsciiDoc syntax. Heading markers become equals signs, Markdown links become link:url[text] notation, image references become image macros, and fenced code blocks become AsciiDoc source blocks.

Key Features

  • Converts headings, links, images, lists, code blocks, tables
  • Preserves document structure
  • Copy AsciiDoc to clipboard
  • Download as .adoc file
  • Real-time conversion
  • Maps Markdown links to AsciiDoc link macros
  • Handles nested structures
  • GitHub Flavored Markdown support

Common Use Cases

When and why you might need this tool
  • Migrating documentation to AsciiDoc

    Convert Markdown README files to AsciiDoc for repositories that publish with Asciidoctor.

  • Converting for Asciidoctor

    Transform Markdown content for use with the Asciidoctor processor.

  • Preparing content for O'Reilly books

    Convert Markdown to AsciiDoc format required by some publishers.

  • Migrating from GitHub to GitLab

    Convert Markdown documentation to AsciiDoc for GitLab wikis.

How to Use This Tool

Step-by-step guide to get the best results
1

Paste Markdown

Enter Markdown text in the input area.

2

Convert

Click Convert. The tool generates AsciiDoc output.

3

Copy or download

Copy the AsciiDoc or download it as a .adoc file.

Pro Tips

  • 1

    AsciiDoc uses = for headings (not #). Level 1 is =, level 2 is ==.

  • 2

    Links use link:url[text] syntax instead of [text](url).

  • 3

    Code blocks use [source]---- instead of ```.

  • 4

    Review the output for complex structures that may need manual adjustment.

Frequently Asked Questions

What Markdown elements are converted?

Markdown to AsciiDoc converts headings, links, images, ordered and unordered lists, code blocks, blockquotes, tables, bold, italic, and strikethrough.

Is my content sent to a server?

No. All conversion happens in your browser. Nothing is transmitted.

Is the AsciiDoc valid?

The output follows standard AsciiDoc syntax. Review complex conversions for accuracy.

Can I convert AsciiDoc back to Markdown?

This tool only converts Markdown to AsciiDoc. Use a reverse converter for the other direction.

Does it handle GFM tables?

Yes. GFM pipe tables are converted to AsciiDoc table syntax.