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Growth · alternatives · 2026

24 alternatives to Mockaroo

A realistic data generator to test your app

Mockaroo is a test data generator and API mocking tool that creates realistic datasets in CSV, JSON, SQL, and Excel formats. It's designed for developers who need to test applications with production-like conditions… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Mockaroo launched in 2015; newer entries below may have overtaken it.

  1. 1

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

    2021 · retool.com · its alternatives →

  2. 2GJ

    Easily create complex JSON data structures using intuitive templates.

    2023 · jsongenerator.io · its alternatives →

  3. 3

    GUI approach to generating realistic mock JSON data

    2022 · mockturtle.net · its alternatives →

  4. 4
    Mocke▲519

    Mock email campaigns: know your reply rate without launching

    2025 · mocke.co · its alternatives →

  5. 5

    Get mockup UI in seconds

    2022 · uigenerator.org · its alternatives →

  6. 6
    FakeData▲364

    Get your fake data in seconds

    2025 · fakedata-mu.vercel.app · its alternatives →

  7. 7
    Pollux▲82

    Fake json data & json server mock API generator with JWT

    2021 · mohammedal-rowad.github.io · its alternatives →

  8. 8

    Beautiful, cross-platform & open-source tools for debugging, testing and building with HTTP(S), on Windows, Linux & Mac.

    2019 · httptoolkit.tech · its alternatives →

  9. 9CM
  10. 10

    Generate mock data using AI

    2023 · its alternatives →

  11. 11

    Figma plugin to generate & customise random data for designs

    2022 · figma.com · its alternatives →

  12. 12

    Generate 1M+ rows of SQL/Mongo data instantly & fast.

    Jan 2026 · its alternatives →

  13. 13

    Create mock and sample JSON using a powerful template syntax

    2014 · json-generator.com · its alternatives →

  14. 14

    Generate customized, realistic mock data & APIs, via GPT

    2023 · its alternatives →

  15. 15

    Progressive Web App for generating mocked data from an OpenAPI specification - Fredx87/openapi-mock-generator

    2020 · github.com · its alternatives →

  16. 16

    Generate Realistic Test Data — Instantly.

    Nov 2025 · data-mock-generator.com · its alternatives →

  17. 17

    Your playground for writing custom API security tests

    2023 · akto.io · its alternatives →

  18. 18

    Mockdata in 10 seconds. 99¢/ export. JSON / CSV / SQL INSERT

    2025 · mockdata-generator.toolsfor99cents.com · its alternatives →

  19. 19

    Hi HN, I built the first version of Mocktail years ago. I recently came back to the project, and after a pretty substantial rebuild, v4 is now out. Mocktail is a free and open-source, self-hosted mock API server with a built-in dashboard and database, packaged as a single ~25 MB binary. You can run it locally or on your own infrastructure — no account or hosted service required. You can define endpoints and responses, generate realistic data per request, customize headers, status codes and latency, and inspect incoming requests in real time. With v4, I also added MCP support, so coding…

    Aug 2026 · getmocktail.com · its alternatives →

  20. 20
    Mocko▲48

    Don't just Practice, Experience the Exam.

    2025 · mocko.ai · its alternatives →

  21. 21

    Hi HN! I'm Ankit, the founder of Beeceptor, a request mocking and intercepting tool. This time, I built something new to address a pain I’ve personally felt (and heard from dozens of QA, frontend, and platform teams): making OpenAPI specs actually useful during development. API contracts just sit around as docs often. What if you could 'activate' them, instantly have a realistic, hosted mock server-with contract validation, smart test data, and early usage? So I made _Mockaroo for OpenAPI_, but with brains. It spins up a hosted mock server from your spec in one click. It: - Generates…

    2025 · beeceptor.com · its alternatives →

  22. 22

    Effortless mock APIs for seamless testing & prototyping

    2024 · its alternatives →

  23. 23MS
  24. 24

    Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.

    2017 · mockoon.com · its alternatives →

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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 →