Dev tools · alternatives · 2026

24 alternatives to JSON to Swift, JAVA, PHP and C# and Many

Template driven online code generator from json to model

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. JSON to Swift, JAVA, PHP and C# and Many launched in 2019; newer entries below may have overtaken it.

1. 1
   JSON Generator▲139

   Create mock and sample JSON using a powerful template syntax

   2014 · its alternatives →

2. 2
   quicktype▲88

   Generate beautiful, typesafe code from data

   2018 · its alternatives →

3. 3GJ
   Generate JSON mock data for testing/initial app development▲103

   2023 · jsongenerator.io · its alternatives →

4. 4
   Generate JSON▲77

   AI-generated dummy JSON - deploy in seconds

   2023 · its alternatives →

5. 5JA
   JsonTree, a 3.53kb JavaScript tool for generating html trees from JSON▲78

   2017 · maxleiter.github.io · its alternatives →

6. 6
   Dynamic Email Template▲114

   Generate email template code with dynamic JSON data or API

   2019 · its alternatives →

7. 7
   Power JSON Editor▲77

   A one-stop-shop tool for JSON processing on Mac

   2022 · its alternatives →

8. 8
   JSON Sharp▲73

   Tool for lazy developers to convert JSON to C# Objects

   2020 · its alternatives →

9. 9
   Types Generator▲61

   Types generator will auto generate TS Interfaces from JSON

   2022 · its alternatives →

10. 10JM
    JSON5 — modern JSON▲64

    2012 · github.com · its alternatives →

11. 11
    JSON Swiss▲13

    Free Swiss Army Knife for JSON Data

    2025 · its alternatives →

12. 12
    Jsontooncraft▲4

    Your complete developer toolkit.

    Nov 2025 · jsontooncraft.com · its alternatives →

13. 13AT
    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 →

14. 14
    ByteJSON▲3

    Free developer toolkit. JSON, encoding, regex, calculators.

    Jun 2026 · bytejson.com · its alternatives →

15. 15AT
    Anything To JSON – a language model for structured extraction▲18

    Hey HN! Erik here from banana.dev We’ve trained a small(ish) language model on structured extraction, and today we’re launching a playground for it at https://anythingtojson.com. Give it a try! This model continues our work on structured generation, following last week’s launch of Fructose[1], a python client for strongly-typed LLM responses. There seem to be two distinct halves of the problem intended to be solved by Fructose and structured generation: 1. the reasoning ability of the model, such as performing chain of thought, creative acts, and natural language tasks. In a way,…

    2024 · anythingtojson.com · its alternatives →

16. 16
    JSONKit▲4

    47 free JSON tools — all in your browser, zero uploads

    Jun 2026 · jsonkit.in · its alternatives →

17. 17
    JSONLint▲7

    All-in-one JSON Tools for Developers

    2025 · jsolint.com · its alternatives →

18. 18
    Tools2025▲8

    Free developer tools - JSON, passwords, encoding & more

    Oct 2025 · its alternatives →

19. 19
    JSONSift▲10

    Free developer tools that run entirely in your browser

    Jun 2026 · jsonsift.com · its alternatives →

20. 20
    JSON Knife▲4

    30 free developer tools. No ads, no signup, no BS.

    Feb 2026 · tools.shanecode.org · its alternatives →

21. 21
    JSON Playground Tools▲5

    Modern Developer Toolkit

    Jan 2026 · jsonplayground.online · its alternatives →

22. 22
    JSON Studio▲5

    Free tool to view, convert, compare JSON powered by ChatGPT

    2023 · its alternatives →

23. 23
    Mongoose Schema to JSON Generator▲7

    Smart tool doe Mongoose Schema to JSON Generator

    2025 · its alternatives →

24. 24
    JSON Tools▲2

    Free JSON viewer, formatter & converter in your browser

    Feb 2026 · json-viewer-ce3.pages.dev · 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 →