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GraphQL Schema to Markdown Docs - Online Generator

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GQL → MD
GraphQL Schema SDL Input
Markdown Documentation Output

Enter your GraphQL schema on the left and click Convert to generate documentation.

Frequently Asked Questions

What is a GraphQL Schema to Markdown converter?

This tool automatically converts your GraphQL SDL (Schema Definition Language) into clean, well-structured Markdown documentation. It parses types, fields, arguments, enums, interfaces, unions, and scalars — then generates human-readable docs perfect for API references, team wikis, or developer portals.

Why should I document my GraphQL schema in Markdown?

Markdown is universally supported across GitHub, GitLab, Notion, Confluence, and static site generators. Converting your schema to Markdown makes it easy to share API documentation with your team, embed it in README files, or publish it without needing specialized GraphQL tools.

Does this tool support GraphQL descriptions and comments?

Yes! The parser recognizes both """triple-quoted""" block descriptions and "single-quoted" inline descriptions as specified in the GraphQL spec. It also captures # line comments above type and field definitions, ensuring your documentation is as rich as your schema.

What GraphQL schema features are supported?

We support type definitions (including Query, Mutation, Subscription), input types, enum types with all values, interface definitions, union types, scalar declarations, field arguments with types, list and non-null wrappers, @deprecated directives, and extend type extensions. The generated Markdown includes a table of contents, detailed field tables, and cross-references.

Is this GraphQL doc generator free to use?

Absolutely. This is a completely free online tool with no registration, no usage limits, and no data storage. Your schema stays in your browser — nothing is ever sent to any server. You can generate, preview, copy, and download your documentation instantly.

Can I download the generated Markdown as a file?

Yes! Use the Download .md button to save the generated documentation as a .md file directly to your device. You can also use the Copy button to copy all Markdown content to your clipboard with one click.

How does the auto-convert feature work?

When the Auto toggle is active (highlighted state), the tool automatically regenerates the Markdown documentation as you type or paste your schema — with a short 400ms debounce to ensure smooth performance. Toggle it off if you prefer manual conversion via the Convert button.

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