
Mockaroo
JSON Generator
MockTurtle.net
ExtendsClass's JSON generator allows to generate random JSON data from a template.

SQL Fiddle
DB Fiddle
Online SQL Editor
Rextester
Online SQL playground for testing and sharing SQL snippets. SQLite, MySQL and PostgreSQL.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|
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|---|---|---|
| Website | extendsclass.com | extendsclass.com |
| Pricing | — | |
| Company | 2019 | 2022 |
| 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.
It is a SQL playground which allows to test SQL online. Run SQL queries for SQLite, MySQL and PostgreSQL databases. Share snippets.
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 ExtendsClass SQL Online. For example, how are they different and which one is better?
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A realistic data generator to test your app
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A tool for easy online testing and sharing of database problems and their solutions.
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Create mock and sample JSON using a powerful template syntax
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An online tool for testing, sharing and collaborating on SQL snippets
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Generate realistic random JSON data through a simple and intuitive GUI.
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Free Online SQL Editor
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