Formats GraphQL queries and mutations with consistent indentation, argument spacing, and fragment organization for readable API schemas.
Content reviewed October 2026 · About Toolzum
Prettify raw JSON and XML API responses with indentation, key sorting, and syntax validation. Read nested payloads at a glance — local processing, free, no signup.
Format GraphQL queries with consistent indentation — fragments, variables, and nested selections normalized for readable, reviewable APIs.
Convert GraphQL schema definitions to JSON Schema format. Bridge the gap between GraphQL and REST tooling ecosystems. Types map with validation preserved — free, local, no signup.
Convert data between JSON, CSV, XML, YAML, and TSV with structure preserved. Migrate configs across stacks without rewriting — local PapaParse/xml2js/yaml parsing, free, no signup.
Share secrets securely via self-decrypting note links — AES ciphertext in the URL fragment, key in the link query. Send passwords without trusting inboxes — local crypto-js AES, free, no signup.
Type mismatches (string where Int expected) and missing required ($) fields cause 90% of variable errors. Formatting plus validation surfaces both before the request leaves.
Yes — complex input types indent and validate recursively. A 50-line filter object formats into readable structure.
Yes — formatted variables paste into Apollo Studio, GraphiQL, and code. Keep a variables file per query for regression runs.
No — formatting runs locally in your browser. Variables never leave your device.
GraphQL Query Formatter
Format GraphQL queries with consistent indentation — fragments, variables, and nested selections normalized for readable, reviewable APIs.
GraphQL Tester
Test GraphQL queries with variables. Format queries and variables, and preview formatted responses for development and debugging.