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Head-to-head · Documentation Generators

Asciidoctor vs Dokka

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Asciidoctor #5 in Documentation Generators 8.8/10 Free plan Free plan✓ 1 of 3 features Visit Asciidoctor
Dokka #6 in Documentation Generators 8.7/10 Open source ✓ 2 of 3 features Visit JetBrains

Asciidoctor leads on 0 checks, Dokka on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAsciidoctor · 8.8/10
  • Free planonly Asciidoctor
  • Most featuresDokka · 2 of 3

Asciidoctor scores higher on our rubric for documentation generators: 8.8 against 8.7 out of 10; our editors rank them #5 and #6.

Asciidoctor is the better fit for asciiDoc publishing across many formats. Dokka is the better fit for kotlin and Java API documentation.

  • Asciidoctor fits best

    AsciiDoc publishing across many formats

  • Dokka fits best

    Kotlin and Java API documentation

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Side by side

Feature Asciidoctor 8.8/10 Visit ↗ Dokka 8.7/10 Visit ↗
At a glance
Editor score 8.8 8.7
Ranking #5 in Documentation Generators #6 in Documentation Generators
Best for AsciiDoc publishing across many formats Kotlin and Java API documentation
Pricing model Free Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Support Community, Docs Community, Docs
Integrations 7 integrations 3 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Asciidoctor 1/3 · Dokka 2/3
API reference generation Not checked yet ✓ (best)
Versioned documentation Not checked yet ✓ (best)
CI/CD integration ✓ (best) Not checked yet
Specs
Source inputs AsciiDoc files; AsciiDoc strings Kotlin source with KDoc, Java source with Javadoc, Markdown module and package documentation
Output formats HTML 5, XHTML, DocBook 5, man pages, PDF, EPUB3, Reveal.js, Bespoke HTML, Javadoc HTML, GitHub Flavored Markdown, Jekyll-compatible Markdown
Programming languages Ruby, Java, JavaScript, JVM languages Kotlin, Java
Our review
Pros
  • Converts AsciiDoc to HTML, DocBook, man pages, and more
  • CLI, APIs, custom converters, and templates support automated workflows
  • Works across Ruby, JVM, and JavaScript environments
  • Supports Kotlin KDoc and Java Javadoc in mixed-language projects
  • Outputs HTML, Javadoc HTML, GFM, and Jekyll-compatible Markdown
  • Runs with Gradle, Maven, CLI, and supports versioned documentation
Cons
  • PDF and EPUB3 require separate add-on converters
  • Requires AsciiDoc files or strings as source input
  • No built-in AI features
  • Focused on API documentation rather than a broader documentation suite
  • Requires source comments such as KDoc or Javadoc for API content
  • Its workflow centers on Kotlin, Java, and listed Markdown inputs
Our verdict

Asciidoctor is an open-source text processor and publishing toolchain for technical writers, developers, documentation teams, and organizations building automated documentation workflows. It processes AsciiDoc files or strings and converts…

Read the review →

Dokka is an open-source API documentation engine from JetBrains for developers and library teams working with Kotlin, Java, Android, and multiplatform projects. It reads Kotlin KDoc and Java Javadoc comments, making it suitable for…

Read the review →
  1. AsciidoctorDocumentation Generators 8.8Free plan
  2. DokkaDocumentation Generators 8.7Open source

Strengths and trade-offs

  • Asciidoctor — where it wins

    • Converts AsciiDoc to HTML, DocBook, man pages, and more
    • CLI, APIs, custom converters, and templates support automated workflows
    • Works across Ruby, JVM, and JavaScript environments

    Where it doesn't

    • PDF and EPUB3 require separate add-on converters
    • Requires AsciiDoc files or strings as source input
    • No built-in AI features

  • Dokka — where it wins

    • Supports Kotlin KDoc and Java Javadoc in mixed-language projects
    • Outputs HTML, Javadoc HTML, GFM, and Jekyll-compatible Markdown
    • Runs with Gradle, Maven, CLI, and supports versioned documentation

    Where it doesn't

    • Focused on API documentation rather than a broader documentation suite
    • Requires source comments such as KDoc or Javadoc for API content
    • Its workflow centers on Kotlin, Java, and listed Markdown inputs

More comparisons

All documentation generators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update