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

Retool
NoCode.tech
Softr
Pory
ToolJet
Airtable
No-Code Coffee
No-Code internal tools powered by Airtable, GSheets + more

Which is more popular?
Based on our record, Stacker seems to be more popular. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | extendsclass.com | stackerhq.com |
| Pricing | ||
| Company | 2019 | Startup from the United States · 2025 |
| 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.
Stacker is a no-code platform that lets teams build secure, data-driven apps and internal tools using their existing spreadsheets or databases—no engineering required.
What each product offers, as listed by its team.


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


No analysis of ExtendsClass JSON Generator yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ExtendsClass JSON Generator and Stacker. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of ExtendsClass JSON Generator yet. Be the first one to post
You can create an app in minutes. Thanks to Stacker’s handy template library, you can create your app in practically no time at all. Simply plug in your existing data sources and your app will be up and running in a...
Recommendations tracked on public social media and blogs since March 2021.


Tracking ExtendsClass JSON Generator since Mar 2021.
I prepeared this comparison table for my own clients, featuring Glide, Stacker, Noloco, Softr. Source: over 3 years ago
What we use at a series B startup that actually helps our sales & customer service teams leverage Airtable without needing engineers 1. Stacker: No-code software builder tool on top of Airtable. Build internal tools for user-facing... - Source: Hacker News / over 3 years ago
You could and probably should build your own portal using: Noloco, Stacker, Glide. Source: over 3 years ago
When comparing ExtendsClass JSON Generator and Stacker, you can also consider the following products.
A realistic data generator to test your app
Compare Mockaroo to ExtendsClass JSON Generator or Stacker:

Build custom internal tools in minutes.
Compare Retool to ExtendsClass JSON Generator or Stacker:
Create mock and sample JSON using a powerful template syntax
Compare JSON Generator to ExtendsClass JSON Generator or Stacker:

Free tools & resources for non-tech makers and entrepreneurs
Compare NoCode.tech to ExtendsClass JSON Generator or Stacker:

Generate realistic random JSON data through a simple and intuitive GUI.
Compare MockTurtle.net to ExtendsClass JSON Generator or Stacker:

The AI app builder for business operations
Compare Softr to ExtendsClass JSON Generator or Stacker: