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

Vast.ai
Coreframe Cloud
vagon
OpenRouter
GPU Per Hour
iRender
JarvisLabs.ai
Rent RTX 4090/5090 and A100 GPUs by the minute, or call DeepSeek, GLM, Kimi and FLUX through one OpenAI-compatible API. Pay with USDT, PayPal or bank transfer; no US card needed.
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | extendsclass.com | cloudgpu.app |
| Pricing | ||
| Company | 2019 | — |
| 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.
Pay as you go, no subscription. As of 8 Sep 2026: RTX 3090 $0.21/h, RTX 4090 $0.33/h, RTX 5090 $0.59/h, A100 80G $1.49/h, billed per minute; DeepSeek V4 Flash $0.396 / $1.188 per 1M tokens. Live prices: https://cloudgpu.app/pricing
What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


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

GPU Sharing Economy: One simple interface to find the best cloud GPU rentals.
Compare Vast.ai to ExtendsClass JSON Generator or CloudGPU.app:
Create mock and sample JSON using a powerful template syntax
Compare JSON Generator to ExtendsClass JSON Generator or CloudGPU.app:

RTX 5080 GPU workstations on demand for D5 Render, Lumion, Enscape. Pay-as-you-go or committed plans. Hosted in Bengaluru.
Compare Coreframe Cloud to ExtendsClass JSON Generator or CloudGPU.app:

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

vagon is the simplest high-performance computer that anyone can use.
Compare vagon to ExtendsClass JSON Generator or CloudGPU.app: