JSON Schema for Humans
JSON Schema for Humans generates static HTML or Markdown documentation from valid JSON Schema in JSON or YAML format.
What JSON Schema for Humans is
JSON Schema for Humans generates static HTML or Markdown documentation from valid JSON Schema in JSON or YAML format. Its command-line interface accepts a file, directory, glob pattern, or comma-separated list, and Python methods are also available. Multiple built-in templates provide different output styles. The default JavaScript template includes expandable sections, tabs for conditional subschemas, and anchor links; the `js_offline` template bundles CSS and JavaScript resources for offline use. Markdown output can be published without hosting 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 schemas and links to local files or URLs, including circular references, and the README lists support for JSON Schema Draft-07. HTML tags in descriptions are escaped by default in the documented safe mode, though configuration can allow HTML. The project lists property names and size, property dependencies, and media as unsupported. Installation is documented with `pip install json-schema-for-humans`; the package is licensed under Apache License 2.0.
Good
- Generates HTML and Markdown documentation.
- Accepts JSON and YAML schema inputs.
- Supports local, URL, and circular references.
- Offline template bundles CSS and JavaScript.
- HTML descriptions are escaped by default in safe mode.
Watch out
- Property names and size are unsupported.
- Property dependencies are unsupported.
- Media is unsupported.
Who it suits
This package suits developers who need to generate static documentation from JSON or YAML schemas. It offers HTML and Markdown output, including templates for offline pages and TechDocs-oriented use.
Verdict
JSON Schema for Humans provides several ways to produce and publish schema documentation, with support for references and multiple templates. Check its listed unsupported features against the schemas you need to document.
Plans and prices
From JSON Schema for Humans's own pricing page, checked 9 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free / open source | Free | Apache-2.0 licensed Python package; generates static HTML or Markdown documentation |
The facts
Each one read from JSON Schema for Humans's own pages, with the date it was checked.
What it does
- Input formats
- The CLI accepts valid JSON Schema in JSON or YAML format, from a file, directory, glob pattern, or comma-separated list.checked 9 Oct 2026
- Input requirements
- Inputs must be valid JSON Schema in JSON or YAML format; the CLI accepts a file, directory, glob pattern, or comma-separated list.checked 4 Oct 2026
- Install
- The project documents installation with `pip install json-schema-for-humans`.checked 4 Oct 2026
- Installation
- The README gives `pip install json-schema-for-humans` as the installation command.checked 9 Oct 2026
- Integrations
- A `techdocs` template is described as optimized for TechDocs and MkDocs Material.checked 4 Oct 2026
- Intended audience
- The package metadata classifies the intended audience as developers and the topic as documentation.checked 9 Oct 2026
- Interactive HTML
- The default JavaScript template provides expandable sections, tabs for conditional subschemas, and anchor links.checked 4 Oct 2026
- License
- The project is licensed under Apache License 2.0.checked 9 Oct 2026
- Limitations
- The README lists property names and size, property dependencies, and media as unsupported at the time of writing.checked 9 Oct 2026
- Limits
- The README lists property names and size, property dependencies, and media as currently unsupported.checked 4 Oct 2026
- Markdown publishing
- The Markdown template can be published without hosting an HTTP server, and GitHub renders it when browsing code.checked 4 Oct 2026
- Offline output
- The `js_offline` template bundles CSS and JavaScript resources for offline use.checked 4 Oct 2026
- Offline use
- The `js_offline` template bundles CSS and JavaScript resources so generated documentation can be used offline.checked 9 Oct 2026
- Output features
- It supports HTML and Markdown output, multiple templates, and anchor links to documentation sections.checked 9 Oct 2026
- Output formats
- It supports HTML and Markdown output, with multiple built-in templates.checked 4 Oct 2026
- Purpose
- The project generates static HTML or Markdown pages documenting JSON Schema.checked 9 Oct 2026
- Schema references
- It supports references within a schema, to local files, and to URLs, including circular references.checked 4 Oct 2026
- Schema support
- The README lists support for JSON Schema Draft-07 and references, including circular references.checked 9 Oct 2026
- Security handling
- The configuration documentation says HTML tags in descriptions are escaped by default, with options to replace them or allow HTML.checked 9 Oct 2026
- Security setting
- For HTML descriptions, the documented default safe mode escapes HTML tags; the configuration also permits null to allow HTML.checked 4 Oct 2026
- Support
- The project README invites contributions and directs users to its contributing guide.checked 4 Oct 2026
- Templates
- The README describes JavaScript-based, offline, flat HTML, and Markdown templates; it notes that flat and Markdown are works in progress.checked 9 Oct 2026
- Ways to use
- Generation can be run from the CLI or called from Python code.checked 9 Oct 2026
The full review of JSON Schema for Humans
Overview
JSON Schema for Humans is an open-source Python package that turns valid JSON Schema into static documentation. It suits developers maintaining schema libraries who want repeatable generation from a shell or Python workflow rather than a hosted documentation service. The strongest case is flexible publishing, especially when references, GitHub Markdown, or offline HTML matter; projects relying on its unsupported schema areas should choose another generator.
Key features
Installation is a straightforward pip install json-schema-for-humans. You can generate pages through the command-line interface or Python methods, and the CLI accepts JSON or YAML from a single file, directory, glob pattern, or comma-separated list. That input range is useful for repositories with many schemas, while valid JSON Schema remains a firm prerequisite. The README identifies support for Draft-07 and references inside a schema, local files, and URLs, including circular references.
HTML and Markdown are the core outputs, with several templates. The default JavaScript HTML template adds expandable sections, tabs for conditional subschemas, and anchor links that make long reference pages easier to navigate. The js_offline template packages CSS and JavaScript into the output, making it appropriate for disconnected environments or documentation bundles that cannot depend on remote assets. Markdown needs no HTTP server and is rendered by GitHub when readers browse code. A techdocs template targets TechDocs and MkDocs Material.
Template choice also carries a maturity trade-off: JavaScript-based and offline options are the more feature-oriented routes, while flat HTML and Markdown templates are described as works in progress. HTML descriptions are escaped by default in safe mode, limiting accidental markup injection; configuration can replace that behavior or allow HTML with a null setting, which gives authors control but demands greater care. The package is licensed under Apache License 2.0, and the project invites contributions through its contributing guide.
Pricing
Free / open source — free. This Apache-2.0-licensed Python package has no paid tier, trial, seat allowance, renewal, or usage quota stated. It is the right fit for individual developers and teams that can install and run documentation generation themselves. The trade-off is operational: there is no hosted plan or vendor-managed publishing service included, so deployment and maintenance remain part of your workflow.
Platforms
JSON Schema for Humans runs on Linux, macOS, Windows, and self-hosted environments. Its Python installation and static output suit local builds, CI pipelines, repository publishing, and internally hosted documentation.
Who it's for
Choose it when your audience needs readable schema reference pages, your source is valid JSON or YAML Schema, and you value command-line automation or a Python API. It is particularly well matched to repositories with linked schemas, circular references, GitHub-based documentation, or offline distribution. Look elsewhere if your schemas depend on property names and size, property dependencies, or media, which the project currently lists as unsupported, or if you need API reference generation rather than schema documentation.
Pros and cons
Pros
- Free Apache-2.0 software avoids subscription and seat costs.
- CLI and Python methods support both scripted builds and programmatic integration.
- File, directory, glob, and comma-separated inputs accommodate multi-schema projects.
- References to schemas, local files, and URLs—including circular references—help preserve linked models.
- Interactive and offline HTML templates cover both navigable browser pages and disconnected use.
- Markdown publishes naturally in GitHub without an HTTP server.
Cons
- Unsupported property names and size, property dependencies, and media can make coverage incomplete.
- Flat HTML and Markdown templates are works in progress, a concern when those exact outputs are central.
- It generates schema documentation, not API reference material.
- Self-hosted generation leaves build and publishing operations to your team.
Alternatives
Asciidoctor is a free, MIT-licensed option with core HTML 5, DocBook 5, and man-page converters; choose it when broader document conversion matters more than JSON Schema-specific rendering.
Scalar has a free tier for up to three APIs, one SDK of up to 25 endpoints, one editor seat, and 50 Agent Scalar credits, with a paid Pro plan; pick it when hosted API workspaces and API-focused tooling are preferable.
Sphinx is free BSD 2-Clause documentation software for local or self-hosted use, suitable when you need a general documentation system.
Swift Package Manager is a free open-source package management tool for iOS, Linux, macOS, and Windows, not a direct schema-documentation substitute.
Kotlin/JS is a free Kotlin compiler target for JavaScript configured through the Kotlin Multiplatform Gradle plugin.
Scaladoc is free software with no paid plans or usage limits stated, aimed at Scala documentation.
Swagger Codegen is free open source for generating API clients, server stubs, and documentation from OpenAPI specifications; choose it for OpenAPI generation rather than JSON Schema pages.
mdBook is free open-source software under MPL-2.0 for building book-style documentation from Markdown.
Verdict
JSON Schema for Humans is a strong choice for developers who want no-cost, scriptable schema documentation with reference resolution, interactive HTML, GitHub-friendly Markdown, and an offline template. Choose it when those publishing paths align with your schemas; look elsewhere when unsupported features are essential, you need API reference generation, or you want a managed documentation platform.
