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GraphQL Formatter & Validator

GraphQL Formatter & Validator

Format, validate, and beautify GraphQL queries and mutations.

Examples

About this tool

Format, validate and beautify GraphQL queries with syntax highlighting GraphQL Formatter & Validator runs in the browser on DevTools. There is no signup, and your input stays on this device unless the tool explicitly performs a live network lookup.

What this tool does not do

  • GraphQL Formatter & Validator is a free in-browser utility, not a hosted API. It does not keep server-side history and is not a substitute for production verification in your own stack.

How do I use this tool?

  1. How do I use GraphQL Formatter & Validator?

    Open GraphQL Formatter & Validator, enter or paste your input, and copy the result. The page works without an account.

Related guides

Formatting and Validating GraphQL Queries and Mutations

Best practices for GraphQL query syntax, indentation conventions, fragment organization, and validating AST documents. Catch syntax errors before the query.

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