Dev tools · alternatives · 2026

24 alternatives to Types Generator

Types generator will auto generate TS Interfaces from JSON

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Types Generator launched in 2022; newer entries below may have overtaken it.

1. 1
   quicktype▲88

   Generate beautiful, typesafe code from data

   2018 · its alternatives →

2. 2
   Mock API Generator▲548

   Generate custom data & API to build apps in less than 30s

   2021 · its alternatives →

3. 3
   AutoInfer▲3

   Generate Complex TypeScript Interfaces in seconds

   2025 · dub.sh · its alternatives →

4. 4AO
   An opinionated and statically-typed TypeScript SDK generator▲81

   Hi Hacker News! My name is Sagar, I’m working on a startup called Speakeasy - we’re making all APIs self-service. The platform is currently in beta, but we’re independently launching this tool which you can use to generate language-idiomatic, statically-typed TS SDKs from any public OpenAPI schemas. We hope to continue iterating on this to give devs a way to easily generate high fidelity client SDKs for all the major languages. Inspiration for this product is from past experiences struggling with OpenAPI. I was originally optimistic about using the OpenAPI tools to build out our offering,…

   2022 · easysdk.xyz · its alternatives →

5. 5GT
   Generate TypeScript Types from JSON Samples▲5

   2017 · jvilk.com · its alternatives →

6. 6
   JSON Generator▲139

   Create mock and sample JSON using a powerful template syntax

   2014 · its alternatives →

7. 7
   JSON to TypeScript Generator▲6

   Convert JSON Data to TypeScript Interface Automatically

   2023 · its alternatives →

8. 8TG
   Tygo – Generating TypeScript typings from Go code▲19

   2022 · github.com · its alternatives →

9. 9
   UI Generator▲293

   Get mockup UI in seconds

   2022 · its alternatives →

10. 10
    Generate JSON▲77

    AI-generated dummy JSON - deploy in seconds

    2023 · its alternatives →

11. 11
    CodiumAI▲327

    Generating meaningful tests for busy devs

    2023 · its alternatives →

12. 12GJ
    Generate JSON mock data for testing/initial app development▲103

    2023 · jsongenerator.io · its alternatives →

13. 13TT
    TypeManager.TS – Transform plain JSON into JavaScript model classes▲12

    2022 · github.com · its alternatives →

14. 14
    protobuf-ts-generator▲3

    Generate Typescript code from protobuf message

    2021 · its alternatives →

15. 15RT
    Res(ts): Auto-Generate TypeScript Models for Django Projects▲54

    2018 · github.com · its alternatives →

16. 16ZC
    Zero-codegen, no-compile TypeScript type inference from Protobufs▲138

    2025 · github.com · its alternatives →

17. 17TD
    TSDiagram – Diagrams as Code with TypeScript▲130

    Made an online tool for creating diagrams with TypeScript. I quite like it for thinking about how to shape my data, even if I end up using a different language in the end.

    2023 · tsdiagram.com · its alternatives →

18. 18
    Simple API Generator (Rest + GraphQL)▲121

    Instantly generate openapi (OAS) 3.0.0 REST + GraphQL APIs

    2019 · its alternatives →

19. 19
    Startup Generator▲172

    Generate potential startup ideas with a single click!

    2017 · its alternatives →

20. 20
    RecipeUI▲143

    Open source type-safe Postman alternative

    2023 · its alternatives →

21. 21
    TypedWebhook.tools▲78

    Inspect webhook payloads with automatic type generation

    2022 · its alternatives →

22. 22
    TSON▲11

    Convert json to typescript interfaces instantly

    2025 · tson.vercel.app · its alternatives →

23. 23AT
    A tool to Convert JSON schemas into TypeScript Deno classes▲43

    Hello all To preface this is just something I've been making as a learning exercise, so all feedback is appreciated. This is a tool that converts JSON schemas into TypeScript utility classes for use in Deno. Automatic Type Generation: Typescript interfaces for the compressed and uncompressed versions of your data. Compression & Decompression: Compress and decompress your data. Validation: Built-in data validation using Ajv ensures your data adheres to the schema. Reusability: Once generated, the utility classes can be used in other Deno projects. It currently only supports a subset of JSON…

    2023 · github.com · its alternatives →

24. 24
    Mock Turtle▲72

    GUI approach to generating realistic mock JSON data

    2022 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →