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Jazzy review

Free#21 of 38 in Documentation GeneratorsApi Docs

A focused open-source choice for Swift and Objective-C API reference documentation.

7.2/10Editor score
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Jazzy is an open-source command-line utility for generating reference documentation from Swift and Objective-C projects. It is aimed at developers and teams maintaining Apple-platform codebases, including projects managed through Xcode or Swift Package Manager. Jazzy analyzes source code and comments through Clang and SourceKit, and it can also generate API documentation from compiled Swift modules, frameworks, symbol graph files, SourceKitten JSON, and Markdown guides. Its documented language support covers Swift and Objective-C, with API reference and versioned documentation capabilities.

Its strongest fit is a documentation workflow that needs more than a single source tree. Jazzy supports multiple modules with cross-module linking, which helps connect related API references across a project. Configurable themes and custom categories provide control over the generated presentation, while HTML documentation sites support browser-based access. For developers who use Dash, Jazzy can create docsets and feed files alongside the HTML output. These capabilities make it suitable for projects that need structured API documentation from several supported input types rather than a narrow source-comment export.

Platform and workflow requirements are the main considerations. Jazzy runs on macOS and Linux, but the documented Linux workflow requires a separately built SourceKitten binary. The published capabilities are centered on command-line generation, HTML sites, and Dash docsets, so teams looking for a graphical documentation editor or additional output formats should consider a different tool. Choose Jazzy when Swift or Objective-C coverage, Xcode or Swift Package Manager support, cross-module linking, and Apple-oriented documentation outputs are priorities. It is less suitable when Linux setup simplicity or a broader output ecosystem matters more than language-specific API reference generation.

Jazzy pros and cons

  • Where it wins
    • Supports Swift, Objective-C, Xcode, and Swift Package Manager projects
    • Links multiple modules and processes compiled Swift modules and symbol graphs
    • Outputs HTML sites plus Dash docsets and feed files
  • Where it doesn't
    • Linux workflows require a separately built SourceKitten binary
    • Focused on HTML and Dash output formats
    • Command-line workflow may not suit teams seeking a graphical tool

Jazzy fact sheet, pricing and score →

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