Offline engine (processed locally)JSON v1.0.0 Spec

GraphQL Fragment Matcher

v1.0.0

Create a fragment matcher configuration (possible types map) for Apollo Client from your GraphQL schema. This JSON tells the cache how to match interfaces and unions to concrete types, crucial for fragment matching in union queries. This online tool generates the config directly from your schema, no manual mapping needed. Free and unlimited.

—ms
GRAPHQLInput (GRAPHQL)
lines: 1chars: 32Size: 32 BUTF-8
JSONOutput (JSON)
Converted output will appear here
lines: 0chars: 0Size: 0 BUTF-8
Size change: -100.00%TOML compliant: v1.0.0

Tool guide

Accurate conversion

Input is processed by this tool’s dedicated converter.

Local processing

Your input is processed in your browser and is not uploaded.

Ready-to-use output

Copy the result or save it as a file.