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JSON to GraphQL Converter

Convert JSON data to GraphQL query format

Key Facts

Category
Format Conversion
Input Types
textarea, text, select
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The JSON to GraphQL Converter is a streamlined utility designed to transform structured JSON data into valid GraphQL query or mutation syntax, helping developers quickly scaffold API requests.

When to Use

  • •When you need to generate a GraphQL query structure based on an existing JSON response object.
  • •When you are prototyping API interactions and need to quickly convert mock data into query syntax.
  • •When you want to ensure your GraphQL field selection matches the schema of your JSON data source.

How It Works

  • •Paste your JSON object into the input field.
  • •Specify a custom name for your query or mutation.
  • •Select the operation type (Query or Mutation) from the dropdown menu.
  • •Click convert to generate the formatted GraphQL code block.

Use Cases

Rapidly scaffolding GraphQL queries from API response samples.
Converting mock JSON data into structured GraphQL mutation inputs.
Standardizing data structures for frontend state management.

Examples

1. Generating a User Query

Frontend Developer
Background
I have a JSON response from a legacy REST API and need to map it to a new GraphQL endpoint.
Problem
Manually typing out every field for a complex nested object is prone to syntax errors.
How to Use
Paste the JSON object into the input, set the query name to 'FetchUser', and select 'Query'.
Example Config
Query Name: FetchUser, Type: Query
Outcome
The tool outputs a clean GraphQL query block with all JSON keys mapped as fields, ready to be pasted into your IDE.

2. Creating a Mutation Template

Backend Developer
Background
I need to create a mutation to update user profile settings based on a JSON configuration file.
Problem
Converting the configuration file into a GraphQL mutation format manually is time-consuming.
How to Use
Input the configuration JSON, set the query name to 'UpdateProfile', and select 'Mutation'.
Example Config
Query Name: UpdateProfile, Type: Mutation
Outcome
The tool generates a mutation structure that mirrors the JSON hierarchy, allowing for quick integration into the GraphQL client.

Try with Samples

json
Chat Transcript JSON Samples
JSON examples for multi-role chat transcripts
title token json
json
Rich Media JSON Samples
JSON examples for popular rich text editors (TipTap, Quill, Slate)
title token json
json
JSON Samples
JSON (JavaScript Object Notation) format examples from simple to complex structures
title token json
json
Hex/Unicode Encoding Format Samples
Examples of hex (\xXX) and unicode (\uXXXX) escape sequence encoding formats
preferred input family json
json

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FAQ

Does this tool validate my JSON?

Yes, the tool expects valid JSON input to successfully parse and map the fields into a GraphQL structure.

Can I generate mutations instead of queries?

Yes, you can select 'Mutation' from the Query Type dropdown to format your input as a mutation operation.

Is the generated GraphQL code ready for production?

The output provides the correct syntax structure, but you should verify that the fields match your specific GraphQL schema definitions.

Are there limits on the size of the JSON input?

The tool is designed for standard JSON payloads; very large or deeply nested objects may require manual review of the generated output.

Does this tool store my data?

No, all conversions are performed locally in your browser, and your data is not stored or transmitted to a server.

API Documentation

Request Endpoint

POST /en/api/tools/json-to-graphql

Request Parameters

Parameter Name Type Required Description
jsonInput textarea Yes -
queryName text No -
queryType select No -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-json-to-graphql": {
      "name": "json-to-graphql",
      "description": "Convert JSON data to GraphQL query format",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=json-to-graphql",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]