Dev tools · alternatives · 2026

24 alternatives to Mock Data Generator

Paste real JSON, get 1,000 coherent rows that match it

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1GJ
Generate JSON mock data for testing/initial app development▲103
Easily create complex JSON data structures using intuitive templates.
2023 · jsongenerator.io · its alternatives →
2
Mock API Generator▲555
Generate custom data & API to build apps in less than 30s
2021 · retool.com · its alternatives →
3
Mock Turtle▲72
GUI approach to generating realistic mock JSON data
2022 · mockturtle.net · its alternatives →
4
Mockaroo▲354
A realistic data generator to test your app
2015 · mockaroo.com · its alternatives →
5
JSON Generator▲139
Create mock and sample JSON using a powerful template syntax
2014 · json-generator.com · its alternatives →
6
Data Mock Generator▲3
Generate Realistic Test Data — Instantly.
Nov 2025 · data-mock-generator.com · its alternatives →
7
Data Populator▲149
Sketch and XD plugin to populate mockups with real data.
2019 · datapopulator.com · its alternatives →
8
Pollux▲82
Fake json data & json server mock API generator with JWT
2021 · mohammedal-rowad.github.io · its alternatives →
9
MockDataGenerator▲6
Mockdata in 10 seconds. 99¢/ export. JSON / CSV / SQL INSERT
2025 · mockdata-generator.toolsfor99cents.com · its alternatives →
10
Generate JSON▲77
AI-generated dummy JSON - deploy in seconds
2023 · jsonviewer.stack.hu · its alternatives →
11
MockBlast▲11
Generate 1M+ rows of SQL/Mongo data instantly & fast.
Jan 2026 · its alternatives →
12
DATA-Generator▲3
Generate realistic data in seconds for free.
2024 · its alternatives →
13
MockThis▲80
Generate mock data using AI
2023 · its alternatives →
14
Mockreate▲66
Figma plugin to generate & customise random data for designs
2022 · figma.com · its alternatives →
15
JSONMocker – generate JSON mock data by writing reusable JSON schemas▲5
An easy to use web-based editor to create reusable json mock data schema files.
2023 · laurawebdev.github.io · its alternatives →
16
DDL to Data – Generate realistic test data from SQL schemas▲55
I built DDL to Data after repeatedly pushing back on "just use production data and mask it" requests. Teams needed populated databases for testing, but pulling prod meant security reviews, PII scrubbing, and DevOps tickets. Hand-written seed scripts were the alternative slow, fragile, and out of sync the moment schemas changed. Paste your CREATE TABLE statements, get realistic test data back. It parses your schema, preserves foreign key relationships, and generates data that looks real, emails look like emails, timestamps are reasonable, uniqueness constraints are honored. No setup, no…
Jan 2026 · ddltodata.com · its alternatives →
17
Chepo▲163
Get generated data with a single click
2024 · hidaytrahman.github.io · its alternatives →
18
DataMock▲8
Generate free realistic mock data instantly for testing.
Nov 2025 · its alternatives →
19
Fake Database▲5
Free fake data generator — 120+ fields, 7 export formats
Jul 2026 · fakedatabase.com · its alternatives →
20
AI-Powered Mock API Generator▲86
Generate customized, realistic mock data & APIs, via GPT
2023 · its alternatives →
21
My first open-source project release – RandomJson▲56
Provides a Kotlin/Java library to create a random json string - mangatmodi/RandomJson
2019 · github.com · its alternatives →
22
Mock Data▲5
Generate realistic mock data for apps - quick & easy!
2025 · mock-data.com · its alternatives →
23
Generate React forms from JSON form schemas▲107
Generate, validate, and parse React forms using Mongoose-inspired JSON schemas - SteveVitali/react-form-generator
2015 · github.com · its alternatives →
24
JSON Generator▲8
Tool for generating random data
2019 · next.json-generator.com · its alternatives →

Also compare

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 →