GraphQL Formatter
Format GraphQL schemas and operations online for free. Our GraphQL formatter normalizes indentation, structures type definitions, and cleans up queries and mutations while preserving all fields, directives, and descriptions. Works with Apollo, Relay, Hasura, and all GraphQL tools.
Paste your GraphQL schema or query, or upload a .graphql file to format it with consistent indentation, proper spacing, and clean structure.
Why Use Our GraphQL Formatter?
Instant Formatting
Our tool to format GraphQL processes your content instantly in your browser. Format GraphQL files of any size with zero wait time — perfect for configuration files, project setups, and CI/CD pipelines.
Secure & Private Processing
Your data never leaves your browser when you use our GraphQL formatter online tool. Everything is processed locally using JavaScript, ensuring complete privacy and security for sensitive configuration data.
No File Size Limits
Format large GraphQL files without restrictions. Our free GraphQL Formatter handles any size input — from small configs to massive files with thousands of entries.
100% Free Forever
Use our GraphQL Formatter completely free with no limitations. No signup required, no hidden fees, no premium tiers, no ads — just unlimited, free formatting whenever you need it. The best free GraphQL formatter online available.
Common Use Cases for GraphQL Formatter
Schema Development
Format GraphQL type definitions, interfaces, enums, and input types with consistent indentation. Clean schema files are easier to review during API design and schema evolution.
Query & Mutation Writing
Format complex queries, mutations, and subscriptions with proper nesting. Well-formatted operations with clear field selection and argument structure reduce errors in API calls.
Schema Federation & Stitching
Format federated schemas and subgraph definitions for Apollo Federation, schema stitching, and microservice architectures. Consistent formatting across subgraphs improves team collaboration.
API Gateway Configuration
Format GraphQL schemas used with AWS AppSync, Hasura, PostGraphile, and other managed GraphQL services. Properly formatted schemas integrate better with gateway configuration tools.
Frontend Client Development
Format .graphql files used in React, Vue, and Angular applications with Apollo Client, Relay, or urql. Clean query files improve code review workflows and team productivity.
API Documentation & SDL
Format Schema Definition Language (SDL) exports for API documentation, schema registries, and contract testing. Well-structured SDL files serve as clear API contracts between teams.
Understanding GraphQL Formatting
What is GraphQL Formatting?
GraphQL formatting is the process of restructuring GraphQL schemas, queries, mutations, and subscriptions files (.graphql) with consistent indentation, proper spacing around operators, organized sections, and clean line breaks — while preserving all data and semantics.GraphQL is widely used for GraphQL schemas and operations used with Apollo, Relay, Hasura, AWS AppSync, and other GraphQL frameworks for building modern API architectures. Our free GraphQL formatter online tool handles this instantly in your browser. Whether you need to format GraphQL for API schema definitions, query development, schema stitching, federation, and API documentation, our tool does it accurately and privately.
How Our GraphQL formatter Works
- Input Your GraphQL Content: Paste your GraphQL content directly into the text area or upload a
.graphqlfile from your device. Our GraphQL formatter online tool accepts any valid GraphQL input. - Instant Browser-Based Processing: Click the "Format GraphQL" button. Our tool processes your content entirely in your browser — no data is sent to any server, ensuring complete privacy.
- Download or Copy Formatted Output: View the cleanly formatted output with statistics. Copy the formatted content to your clipboard or download it as a file.
What Gets Formatted
- Consistent Spacing: Normalizes whitespace around operators like
=for a clean, uniform appearance throughout the file. - Section Organization: Ensures proper blank lines between sections and table headers for better visual separation and readability.
- Comment Preservation: All comments are preserved exactly as written. Formatting never removes or modifies your annotations and documentation.
- Trailing Whitespace Removal: Removes unnecessary trailing whitespace from all lines while maintaining blank lines for structure.
Related Tools
JSON to YAML
Convert JSON to YAML format instantly - Free online JSON to YAML converter
XML to YAML
Convert XML to YAML format for configuration migration - Free online XML to YAML converter
CSV to YAML
Convert CSV spreadsheet data to YAML format - Free online CSV to YAML converter
TSV to YAML
Convert TSV tab-separated data to YAML format - Free online TSV to YAML converter
Frequently Asked Questions - GraphQL formatter
A GraphQL formatter is a tool that restructures GraphQL files with consistent spacing, proper indentation, organized sections, and clean formatting — while preserving all data and semantics. Our GraphQL formatter online tool processes everything in your browser for maximum speed and privacy.
No. Our GraphQL formatter only changes the visual structure and whitespace in your GraphQL files. All keys, values, comments, tables, and data structures remain exactly the same. The formatted output is semantically identical to the original.
Absolutely! Your data is completely secure. All formatting happens directly in your browser using JavaScript — no data is ever uploaded to any server. Your configuration files, secrets, and sensitive data never leave your device.
Yes, our GraphQL formatter is 100% free with absolutely no hidden costs or limitations. There's no signup required, no premium tier, no usage limits, no file size restrictions, and no advertisements. Use it unlimited times for any project.
Yes! Our GraphQL formatter online tool handles files of any size. Since all processing happens in your browser, performance depends on your device, but modern browsers handle even very large GraphQL files efficiently.
Yes! Our GraphQL formatter handles all GraphQL constructs including type definitions, queries, mutations, subscriptions, fragments, interfaces, enums, unions, input types, and directives. Both Schema Definition Language (SDL) and operation documents are formatted correctly.
Absolutely. Both single-line descriptions ("description") and multi-line block descriptions ("""description""") are preserved. Block string content is maintained with proper indentation while keeping the description text intact.
Yes! Our formatter works with standard GraphQL SDL and operations from any framework — Apollo Server/Client, Relay, Hasura, AWS AppSync, PostGraphile, and more. The formatting follows the GraphQL specification and produces universally compatible output.