GraphQL Formatter & Validator (Offline & Secure)
Format, validate, and beautify GraphQL queries and schemas online with syntax checking.
How to use
- Paste your GraphQL query, mutation, or schema definition.
- The AST parser automatically validates the structure and aligns field selections.
- Copy formatted GraphQL query.
Important Considerations
- Nested fragment spreads and directive definitions.
Privacy Notice: This tool is strictly client-side. All processing runs in your local browser memory using JavaScript. No text, tokens, payloads, or logs are ever transmitted to any remote server or analytics engine. You can even use this tool completely offline.
Keyboard Shortcuts
- Ctrl/Cmd + KOpen Command Palette