GraphQL Formatter & Validator

Format, validate, and optimize GraphQL queries, mutations, subscriptions and schemas.

Settings

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Validation

Debounced format when input or settings change.

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About GraphQL Formatter

The GraphQL Formatter helps you format, validate, and optimize your GraphQL queries, mutations, and schemas. It ensures proper syntax, consistent indentation, and provides detailed validation feedback.

Key Features

  • Query, Mutation, Subscription & Schema formatting
  • Syntax validation with detailed error messages
  • Schema validation support
  • Pretty printing with custom indentation
  • Field sorting for consistency
  • Click-to-navigate error highlights
  • Real-time statistics and metrics
  • Copy, paste, and download functionality

Tips & Examples

  • Query Example:
    query GetUser { user { id name email } }
  • Mutation Example:
    mutation CreateUser { createUser(name: "John") { id } }
  • Best Practices:
    • Use meaningful field names
    • Validate queries before execution
    • Use consistent indentation
    • Check for unused fields