What is a GraphQL Query Formatter?
GraphQL queries can become long and nested quickly, especially with fragments and nested selections. A GraphQL formatter applies consistent indentation and line breaks, making queries readable and reviewable. This is essential for code reviews, documentation, and debugging complex queries.
DevKits provides a free browser-based graphql query formatter online — your data is never sent to any server.
How to Use the GraphQL Query Formatter Online
- 1. Paste your GraphQL query, mutation, or fragment into the input panel.
2. Click Format.
3. Copy the clean, indented output.
Key Features
- Supports queries
- mutations
- subscriptions
- fragments
- schema definitions
- variable highlighting
- one-click copy
- 100% browser-based — complete privacy
- No signup required — free forever
- Works on desktop and mobile
Use Cases for GraphQL
Apollo, Hasura, GitHub API, API development.
Frequently Asked Questions
Is this GraphQL Query Formatter free?
Yes, completely free with no usage limits, no signup, and no rate limiting.
Is my data safe?
All processing runs in your browser. No data is sent to any server — you can use it offline after page load.
What browsers are supported?
Chrome, Firefox, Safari, and Edge on desktop and mobile.
Can I use this for GraphQL in production?
This tool is ideal for development and debugging. For production, implement the same logic in your application using standard libraries.
Are there file size limits?
No hard limits — processing is limited only by your browser's available memory.
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