
Mockaroo
DataConstruct
Data Creator
Datamade
Random Data
Generate and manage synthetic datasets easily with DUMMY DATABASE

jello
JSON Crack
jq
JSON Editor Online
JSON to CSV Online
json-log-viewer
Boop
Command-line JSON processing tool

Which is more popular?
Based on our record, fx seems to be more popular. It has been mentioned 21 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dummydatabase.com | github.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Serbia · 1 - 9 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Dummy Database is built to solve a simple, yet annoying problem — generating realistic test datasets quickly, without writing scripts or juggling Excel files. It’s designed for: - Developers needing dummy databases for prototyping & testing. - Analysts and BI specialists preparing demo...
No description of fx yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of fx yet.
Walkthroughs and reviews on video.
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Suzuki FX | Suzuki Alto First Generation: Owner Review: Price, Specs & Features | PakWheels
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DUMMY DATABASE and fx.
DUMMY DATABASE's answer
A free, all-in-one data generation platform that builds everything from simple tables to full relational databases with advanced controls, unique event sequences, ERD visualization, built-in SQL querying, and multiple export formats — no limits, no paywalls.
DUMMY DATABASE's answer
Unlike other data generators, DUMMY DATABASE gives you full relational database creation, unique event simulations, advanced control over every field, built-in SQL querying, and generous free limits — so you can go from idea to test-ready data without restrictions, subscriptions, or hidden fees
DUMMY DATABASE's answer
DUMMY DATABASE's answer
Began as a project for myself to be able to have custom datasets for testing purpose I've decided that it could be useful for wider audience and finalized it as a full-stack web project
DUMMY DATABASE's answer
Python, Flask, HTML, CSS, Bootstrap, Redis, PostgreSQL, JavaScript
Share your experience with using DUMMY DATABASE and fx. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking DUMMY DATABASE since Aug 2025.
I think there is a name clash here, I like fx the json viewer https://github.com/antonmedv/fx (20.6k star on gh). - Source: Hacker News / about 2 months ago
Fx improves this with an interactive JSON processor made for developers. It combines viewing capabilities with powerful transformation functions that make complex data manipulation simple. - Source: dev.to / over 1 year ago
Coincidentally, yesterday I decided I needed a JSON TUI and landed on fx (https://github.com/antonmedv/fx), which seems to have come out of the Wave terminal project and looks quite similar... - Source: Hacker News / about 2 years ago
When comparing DUMMY DATABASE and fx, you can also consider the following products.

jello is a command line tool that filters JSON data using pure python syntax.
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Data generator that can create a table filled with pseudo-random content.
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jq is like sed for JSON data - you can use it to slice and filter and map and transform structured...
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