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

JSON Generator
Dadroit JSON Viewer
Mockaroo
Insects API
Sheety
Sheetsu
Simple Scraper
Generate realistic random JSON data through a simple and intuitive GUI.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | extendsclass.com | mockturtle.net |
| Company | 2022 | 2020 |
| Listed in |
In their own words, as submitted to SaaSHub.


It is a SQL playground which allows to test SQL online. Run SQL queries for SQLite, MySQL and PostgreSQL databases. Share snippets.
Build your custom JSON structure through our easy-to-use GUI or import an existing JSON schema. Then, sit back and let Mock Turtle generate thousands of random data based on your structure. It generates the data in real time as you build your tree structure. Plus, it's 100% free!
What each product offers, as listed by its team.


No features have been listed yet.
Walkthroughs and reviews on video.
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Free Nested JSON Mock Data Generator - MockTurtle.net
How often each product is chosen within a category, 0–100% relative to the other.


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When comparing ExtendsClass SQL Online and MockTurtle.net, you can also consider the following products.

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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Open a 1GB JSON file in a blink 💣
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Free Online SQL Editor
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A realistic data generator to test your app
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