
Mockaroo
DataMaker
Random Data
MockTurtle.net
DDL to Data
SQLable
dbForge Data Generator for MySQL
Free, open source test file generator for QA. Real PDF, DOCX, PNG and ZIP files at any exact size, plus a manifest saying how your system should react.
MockTurtle.net
Dadroit JSON Viewer
Jayson
ExtendsClass JSON Generator
Mockaroo
Fullstack Vue
DevToys
Create mock and sample JSON using a powerful template syntax

Which is more popular?
Based on our record, JSON Generator seems to be more popular. It has been mentioned 9 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
JSO
JSON Generator
|
|
|---|---|---|
| Website | testingfilesgenerator.donislawdev.com | json-generator.com |
| Listed in |
What each product offers, as listed by its team.

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

Share your experience with using Testing Files Generator and JSON Generator. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking Testing Files Generator since Nov 2026.
JSON Generator: also generates mock data, but for JSON specifically. It's a bit more complex, but it allows for tailor-made results. - Source: dev.to / almost 3 years ago
Is there a generator for all the JSON generators out there? https://json-generator.com/. - Source: Hacker News / about 3 years ago
So I generated a random JSON file and tried parsing it. It doesn’t error, but whenever I do a println(root.Object().Value().String()), I get a panic: wrong type. If I do a println(root.Object().Present()), it prints false. So seems like... Source: over 3 years ago
When comparing Testing Files Generator and JSON Generator, you can also consider the following products.
A realistic data generator to test your app
Compare Mockaroo to Testing Files Generator or JSON Generator:

Generate realistic random JSON data through a simple and intuitive GUI.
Compare MockTurtle.net to Testing Files Generator or JSON Generator:
Ask in plain words. DataMaker finds valid SAP records, inside your network.
Compare DataMaker to Testing Files Generator or JSON Generator:

Open a 1GB JSON file in a blink 💣
Compare Dadroit JSON Viewer to Testing Files Generator or JSON Generator:

Generate random data for testing
Compare Random Data to Testing Files Generator or JSON Generator:

Powerful JSON viewer for iPhone and iPad
Compare Jayson to Testing Files Generator or JSON Generator: