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quicktype

Free#12 of 33 in Code Generators

quicktype: A flexible open-source schema-to-code generator for typed models across many languages. Ranked #12 of 33 in Code Generators by our editors (8.0/10); pricing: Open source; best for schema-to-code across many languages.

8.0/10Editor score
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At a glance

  • Editor score
    8.0 / 10
  • Pricing
    Open source
  • Best for
    Schema-to-code across many languages
  • Free plan
    Yes
  • Paid from
    Free
  • Project scaffolding
    No
  • Facts checked
    20 Sep 2026
quicktype screenshot

  • Where it wins

    • Generates typed models, serializers, and validators from varied inputs
    • Supports more than 25 listed languages and schema formats
    • Offers CLI, APIs, browser processing, build pipelines, and MCP

  • Where it doesn't

    • Does not provide project scaffolding
    • Its integration surface centers on MCP
    • Its primary focus is schema-to-code rather than broader code generation

Our verdict on quicktype

quicktype is an open-source code generator for developers who need strongly typed models, serializers, validators, and converters. It accepts JSON samples, API URLs, JSON Schema, TypeScript, and GraphQL queries, then generates code across more than 25 listed languages and schema formats. The product is available through a browser application, command-line tool, Node.js and browser programming interfaces, build-pipeline workflows, and an editor extension. It fits teams that regularly turn schemas or API data into language-specific code.

The input and generation workflow is its clearest strength. The CLI can generate from files, directories, URLs, or standard input, while schema-driven generation supports build pipelines. Type inference covers nullability, numerics, dates, UUIDs, enums, unions, maps, and runtime checks. The browser application processes data client-side, and an MCP server extends schema-to-code workflows to AI coding agents. Custom language and renderer extensibility also gives teams a path to adapt output beyond the standard generators.

quicktype is a focused choice rather than a project scaffolding system. Its listed feature set centers on converting structured data into typed code, so teams looking for broader application generation should consider a more expansive tool. The integration list centers on MCP, while its main platform coverage spans web, Windows, macOS, Linux, and API access. Developers who want an open-source generator for repeatable schema conversion, local CLI workflows, or build automation should find the fit strongest; teams seeking a wider integrated development environment may prefer an alternative.

Your product? Our editors can test quicktype in depth and publish a review, labelled as paid · from $149/mo →

quicktype pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.
See plans on quicktype.io

quicktype fact sheet

Free planYes
Paid fromFree
Project scaffoldingNo
Custom templatesNot verified
Schema-to-code generationYes
CLI availableYes
IDE pluginsYes
Supported languagesC, C#, C++, Crystal, Dart, Effect Schema, Elixir, Elm, Flow, Go, GraphQL, Haskell, Java, JavaScript, JSON Schema, Kotlin, Objective-C, PHP, Pike, Python, Ruby, Rust, Scala, Smithy, Swift, TypeScript, Zod
DeploymentCloud, Self-hosted
PlatformsWeb, Windows, macOS, Linux
SupportCommunity, Docs
Built forSolo, Small business, Mid-market, Enterprise (editorial estimate)
Integrations1 integrations: MCP
PricingOpen source
Websitequicktype.io
Facts checked20 Sep 2026

quicktype integrations

quicktype lists 1 integrations on its own site.

  • MCP

Alternatives to quicktype

See all quicktype alternatives →

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Featured on iTechGuides

Featured on iTechGuides — quicktype 8.0/10

quicktype is listed in our Code Generators directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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