
Mockaroo
JSON Generator
MySafeInfo
MockTurtle.net
DataConstruct
DUMMY DATABASE
Generate Data
ExtendsClass's JSON generator allows to generate random JSON data from a template.

MockTurtle.net
MockBlast
Random Data
SQLable
DDL to Data
dbForge Data Generator for MySQL
JSON Generator
Realistic multi-table test data with foreign keys intact. Every dataset's first 20,000 rows are free, no credit card. Design visually or in plain English, then export to 7 SQL dialects, CSV, JSON, JSONL and Parquet.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | extendsclass.com | synthforge.io |
| Pricing | ||
| Company | 2019 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


This free online tool allows to generate JSON dataset. You can generate multiple JSON files exported to a zip archive. No limits. No registration.
No description of SynthForge IO yet.
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ExtendsClass JSON Generator and SynthForge IO. For example, how are they different and which one is better?
When comparing ExtendsClass JSON Generator and SynthForge IO, you can also consider the following products.
A realistic data generator to test your app
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Generate realistic random JSON data through a simple and intuitive GUI.
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Create mock and sample JSON using a powerful template syntax
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Spend less time assembling data. Get documented reference and test datasets in CSV, JSON and XML for apps, dashboards and analysis, with API access available. Free previews; full access costs $69 for 365 days, with no automatic renewal.
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Generate random data for testing
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