Dev tools · alternatives · 2026

24 alternatives to JsonStub

Fake the backend while you develop the frontend

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. JsonStub launched in 2016; newer entries below may have overtaken it.

1. 1MA
   Make an app by adding JSON to this app▲648

   2016 · github.com · its alternatives →

2. 2
   WeWeb 2.0▲429

   The only no-code frontend builder that is backend agnostic

   2021 · its alternatives →

3. 3
   Pollux▲82

   Fake json data & json server mock API generator with JWT

   2021 · its alternatives →

4. 4
   Jasonette▲256

   Make an app by adding JSON to this app.

   2016 · its alternatives →

5. 5
   JSON Api▲175

   Hosted API's to develop your app for free 🙌

   2020 · its alternatives →

6. 6
   JSON Generator▲139

   Create mock and sample JSON using a powerful template syntax

   2014 · its alternatives →

7. 7
   JSON Resume▲109

   A JSON-based standard for resumes

   2014 · its alternatives →

8. 8
   JSON Editor 1.0▲78

   Effortless JSON Editing, Anywhere!

   2023 · its alternatives →

9. 9
   JSONverify▲92

   A web tool that validates and format JSON objects

   2021 · its alternatives →

10. 10
    Hut▲6

    API prototyping for front end engineers

    2016 · its alternatives →

11. 11
    FakeJSON▲6

    A realistic test data API to make or break your app

    2018 · its alternatives →

12. 12
    miniBackend▲6

    Create GET, POST, DELETE and PUT REST APIs with a few clicks

    2019 · its alternatives →

13. 13
    AquaScript▲10

    Free json apis for developers

    2025 · its alternatives →

14. 14
    JSON Playground Tools▲5

    Modern Developer Toolkit

    Jan 2026 · jsonplayground.online · its alternatives →

15. 15
    JSONSift▲10

    Free developer tools that run entirely in your browser

    Jun 2026 · jsonsift.com · its alternatives →

16. 16IM
    I made a tool which fixes broken JSONs▲29

    2024 · prakhar897.github.io · its alternatives →

17. 17
    JSONLint▲7

    All-in-one JSON Tools for Developers

    2025 · jsolint.com · its alternatives →

18. 18
    GraphQL Fake▲8

    Generate fake data fast

    2017 · its alternatives →

19. 19
    RAW - Developer Toolkit▲6

    30+ dev tools in one place fast, free, and 100% client-side.

    May 2026 · rawtools.site · its alternatives →

20. 20
    JSONing Mock API▲6

    Free and open source fake API for testing and prototyping

    Nov 2025 · jsoning.com · its alternatives →

21. 21IT
    Instantly turn any API into a native app, with a single JSON markup▲14

    Hi guys, I've worked on several apps in the past couple of years, and found that it takes too much effort going from having an idea to building an app and having the world use it. I wanted a way to have an idea, turn it into a fully functional native app, and share it with the world, all in the next 5 minutes, as quick and as easy as writing a blog post. That's why I built Jason. Basically Jason lets you build a native interface to display and interact with any data format (csv, rss, html, json), any website, any API in any way you want, simply by writing a JSON markup and loading it.…

    2016 · its alternatives →

22. 22
    Hjson▲17

    The Human JSON

    2016 · its alternatives →

23. 23
    JWT.io▲6

    Decode, verify and generate JSON Web Tokens.

    2016 · its alternatives →

24. 24
    JSONValid▲8

    Lightweight API generator and JSON validator

    2016 · 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 →