Mockaroo
Random Data Monster
Universal Data Generator
Dummy File Generator
DUMMY DATABASE
RANDOM.ORG
Wheel of Names
Data generator that can create a table filled with pseudo-random content.

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.
|
DC
Data Creator
|
|
|
|---|---|---|
| Website | ecleti.com | extendsclass.com |
| Company | — | 2022 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Data Creator yet.
It is a SQL playground which allows to test SQL online. Run SQL queries for SQLite, MySQL and PostgreSQL databases. Share snippets.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Data Creator and ExtendsClass SQL Online. For example, how are they different and which one is better?
When comparing Data Creator and ExtendsClass SQL Online, you can also consider the following products.
A realistic data generator to test your app
Compare Mockaroo to Data Creator or ExtendsClass SQL Online:

A tool for easy online testing and sharing of database problems and their solutions.
Compare SQL Fiddle to Data Creator or ExtendsClass SQL Online:
Random Data Monster is a comprehensive suite of advanced random data generation that features generating secure passwords, names, numbers and more than 30+ Google Sheets custom functions to generate random data.
Compare Random Data Monster to Data Creator or ExtendsClass SQL Online:

An online tool for testing, sharing and collaborating on SQL snippets
Compare DB Fiddle to Data Creator or ExtendsClass SQL Online:

Generate realistic Salesforce test data with proper relationships and record types in minutes! Direct upload to sandboxes—no CSV wrangling, no production data risks.
Compare Universal Data Generator to Data Creator or ExtendsClass SQL Online:

Free Online SQL Editor
Compare Online SQL Editor to Data Creator or ExtendsClass SQL Online: