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GraphQL Code Generator

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Generate type-safe code from GraphQL schemas and operations

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Reviews onG2
11 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Eliminates manual type definitions and reduces runtime errors.

Biggest con

Requires initial setup and configuration for complex projects.

TL;DR - GraphQL Code Generator

  • Generates typed client and server code from GraphQL schemas and operations.
  • Supports a wide range of frameworks and languages through plugins and presets.
  • Ensures type safety and reduces manual errors in GraphQL development.
Pricing: Free forever
Best for: Individuals & startups
3.9/5 across review platforms

What is GraphQL Code Generator?

Editorial review
GraphQL Code Generator is an open-source tool that automates the creation of type-safe code from GraphQL schemas and operations. It eliminates manual type definitions and boilerplate by generating fully typed client queries, mutations, subscriptions, and server resolvers. The tool integrates seamlessly with popular frameworks like React, Vue, Angular, Svelte, and Next.js, as well as GraphQL clients such as Apollo and URQL. With a rich ecosystem of plugins and presets, developers can customize output to match their exact needs, whether generating TypeScript types, Java SDKs, Dart models, or even mock data factories. The generator ensures that client and server code stays in sync with the schema, reducing runtime errors and improving development velocity. It is widely adopted in the GraphQL community, with millions of weekly downloads for its core plugins.
how we evaluateSourcegraphql-code-generator.com ↗

Pros & Cons

Pros

  • Eliminates manual type definitions and reduces runtime errors.
  • Highly customizable with community plugins and custom plugin support.
  • Integrates seamlessly with popular GraphQL clients and servers.

Cons

  • Requires initial setup and configuration for complex projects.
  • Learning curve for writing custom plugins or presets.

Ratings Across the Web

3.9(11 reviews)

GraphQL Code Generator holds an aggregate rating of 3.9 out of 5 from 11 reviews across G2, last checked August 18, 2026.

G211 reviews
3.9/5

Ratings aggregated from independent review platforms. Learn more

Key Features

Typed queries, mutations, and subscriptions for React, Vue, Angular, and more.Typed GraphQL resolvers for Node.js and Java servers.Fully-typed Node.js SDKs from GraphQL schemas.Rich plugin ecosystem with over 20 official plugins.Presets for client-side and near-operation-file code generation.

Pricing

Free

GraphQL Code Generator is completely free to use with no hidden costs.

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Reviews

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3.9/5

Across 11 verified user reviews on G2

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GraphQL Code Generator FAQ

How does GraphQL Code Generator ensure type safety across client and server code?

It generates TypeScript types directly from your GraphQL schema and operations, so queries, mutations, and resolvers are automatically type-checked against the schema, preventing mismatches.

Can I use GraphQL Code Generator with frameworks like React, Vue, or Angular?

Yes, it provides dedicated plugins for React (including Apollo and URQL), Vue, Angular, Svelte, and Next.js, generating typed hooks, components, or HOCs for each.

What are presets in GraphQL Code Generator and how do they differ from plugins?

Presets are pre-configured sets of plugins that generate code for specific use cases, like the client preset for frontend operations or the near-operation-file preset for co-locating generated code with source files.

Does GraphQL Code Generator support generating code for languages other than TypeScript?

Yes, it has plugins for C#, Dart, Flow, Java, Kotlin, and more, allowing code generation for various backend and mobile environments.

How can I customize the output of GraphQL Code Generator for my specific needs?

You can write custom plugins or use existing ones, and configure the generator with a YAML or JSON config file to control output file names, locations, and content.

Can GraphQL Code Generator work with federated GraphQL schemas?

Yes, it integrates with the broader GraphQL ecosystem, including tools like Hive and Gateway, and can generate types for federated schemas using appropriate plugins.

What is the 'near operation file' preset and when should I use it?

This preset generates type definitions for GraphQL operations (queries, mutations, fragments) in files located next to the operation definitions, keeping generated code close to usage for better organization.

How do I get started with GraphQL Code Generator in an existing project?

Install the CLI and required plugins via npm, create a configuration file pointing to your schema and documents, then run the generator to produce typed output files.

Source: graphql-code-generator.com

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