
JSON Generator
Dadroit JSON Viewer
Mockaroo
Insects API
Sheety
Sheetsu
Simple Scraper
Generate realistic random JSON data through a simple and intuitive GUI.

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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|---|---|---|
| Website | mockturtle.net | extendsclass.com |
| Company | 2020 | 2022 |
| Listed in |
In their own words, as submitted to SaaSHub.


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!
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.


No features have been listed yet.
Walkthroughs and reviews on video.
Free Nested JSON Mock Data Generator - MockTurtle.net
No ExtendsClass SQL Online videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using MockTurtle.net and ExtendsClass SQL Online. For example, how are they different and which one is better?
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Create mock and sample JSON using a powerful template syntax
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Open a 1GB JSON file in a blink 💣
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An online tool for testing, sharing and collaborating on SQL snippets
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A realistic data generator to test your app
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Free Online SQL Editor
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