JSON Schema for Humans

JSON Schema for Humans generates static documentation from valid JSON Schema, with HTML and Markdown as output choices. You can provide schemas in JSON or YAML through its command-line interface, which accepts a file, directory, glob pattern or comma-separated list; Python methods are also available. The project documents installation with `pip install json-schema-for-humans`. Its templates include interactive JavaScript output with expandable sections, tabs for conditional subschemas and anchor links. The `js_offline` template bundles CSS and JavaScript for offline use, while Markdown output can be published without an HTTP server and is rendered by GitHub when browsing code. A TechDocs template is described as optimized for TechDocs and MkDocs Material. The tool supports references within a schema, to local files and to URLs, including circular references, and lists JSON Schema Draft-07 support. In the documented safe mode, HTML tags in descriptions are escaped by default, though configuration can allow HTML. The README lists property names and size, property dependencies and media as unsupported. The package is free and open source under Apache License 2.0.

JSON Schema for Humans is a focused option for turning schemas into static reference pages. Its templates cover interactive HTML, offline use and Markdown publishing, with the listed unsupported schema features worth checking against your needs.

This package is intended for developers who need to publish documentation for JSON Schemas. Its CLI and Python methods offer two ways to generate pages, with HTML and Markdown templates for different publishing needs.

Overview

JSON Schema for Humans converts valid JSON Schema into static HTML or Markdown reference pages. It is best suited to developers who want to generate schema documentation from a command line or Python code. Its flexible publishing formats and reference handling are useful, but documented gaps in schema coverage can make it a poor fit for some projects.

Key features

Install the Apache-2.0-licensed Python package with pip install json-schema-for-humans. Generate documentation through its CLI or Python methods; the CLI accepts JSON or YAML input from a file, directory, glob pattern, or comma-separated list. That range of inputs helps when a project keeps multiple schemas together, while requiring those inputs to be valid JSON Schema.

The project supports Draft-07 and references within a schema, to local files, and to URLs, including circular references. Its default JavaScript HTML template adds expandable sections, tabs for conditional subschemas, and anchor links, making long reference pages easier to navigate. The js_offline template bundles CSS and JavaScript for use without a network connection.

Markdown offers a server-free publishing option and renders in GitHub code browsing. A separate TechDocs template is optimized for TechDocs and MkDocs Material. Flat HTML and Markdown templates are described as works in progress, so teams needing those particular templates should account for that maturity caveat.

Schema coverage is the central limitation: property names and size, property dependencies, and media are listed as unsupported. Check your schemas against those gaps before adopting the generator. For HTML descriptions, tags are escaped by default; configuration can instead replace them or allow HTML, giving teams a safer default with control over rendered descriptions.

Pricing

JSON Schema for Humans is free and open source, with a price of free. There is no paid tier to unlock alternate output formats or templates, and the package is licensed under Apache License, Version 2.0. This suits developers who can install and run a Python package and want to generate documentation without a subscription; it is not an API reference generator.

Platforms

The package supports Linux, macOS, and Windows, as well as self-hosted use. Its Python installation and command-line and Python interfaces make it a developer-oriented tool rather than a hosted publishing service.

Who it's for

Choose it if you maintain valid Draft-07 schemas and want static reference pages in HTML or Markdown, especially when you need local or URL references, circular references, offline pages, or GitHub-friendly Markdown. It is less suitable when your schemas rely on property names and size, property dependencies, or media, or when you need API reference generation.

Pros and cons

Pros

• Flexible publishing: HTML, Markdown, and a TechDocs-oriented template serve different documentation destinations without requiring a paid plan.
• Reference support: Handling local and URL references, including circular ones, fits schemas that are split across files or depend on external references.
• Offline-ready output: The bundled-resource template can keep generated HTML usable without a network connection.
• Safer description rendering by default: Escaping HTML tags reduces the chance that descriptions render as markup unless configuration allows it.

Cons

• Documented schema gaps: Unsupported property names and size, property dependencies, and media may exclude schemas that depend on those features.
• Some templates are works in progress: Flat HTML and Markdown may not suit teams that require mature versions of those specific templates.
• No API reference generation: It focuses on JSON Schema documentation, not API references.

Alternatives

For other documentation approaches, see Documentation Generators. Swift Package Manager is a free, open-source package management tool for readers looking for package management rather than schema documentation. Choose Asciidoctor instead when you need an open-source authoring and conversion tool whose core converters include HTML 5, DocBook 5, and man pages. RDoc is another free option. Scalar has a free tier capped at three APIs, one SDK of up to 25 endpoints, one editor seat, and 50 Agent Scalar credits; consider it when those API-oriented limits fit your needs. Sandcastle Help File Builder is a Windows option with a standalone GUI, command-line tools, Visual Studio integration package, and MSBuild tasks. Sphinx is free, BSD 2-Clause licensed software that can be installed locally or self-hosted. StepShot offers a free tier with unlimited capture and editing, export of the first 10 steps, and Markdown and HTML export. TypeDoc is a free, Apache-2.0-licensed documentation generator for TypeScript projects.

Verdict

JSON Schema for Humans is a strong choice for developers who want free, static schema documentation with flexible HTML and Markdown output, reference handling, and an offline template. Choose it when its supported schema coverage matches your project; look elsewhere if you depend on its documented unsupported features or need API reference generation.