
HTTPie
Insomnia REST
Postman
Hoppscotch
RapidAPI for Mac
Git
Thunder Client
cURL is a computer software project providing a library and command-line tool for transferring data...

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

Which is more popular?
Based on our record, cURL seems to be more popular. It has been mentioned 129 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | curl.se | extendsclass.com |
| Pricing | ||
| Company | — | 2019 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of cURL yet.
This free online tool allows to generate JSON dataset. You can generate multiple JSON files exported to a zip archive. No limits. No registration.
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.


Overall verdict
Why this product is good
Recommended for
No analysis of ExtendsClass JSON Generator yet.
Walkthroughs and reviews on video.
BOUNCE CURL REVIEW | Curl Review Series #2
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How often each product is chosen within a category, 0–100% relative to the other.


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


cURL is a widely used command-line tool for transferring data with URLs. It supports a multitude of protocols, making it a versatile choice for API testing.
The uniqueness of cURL above others is that it supports different types of protocols, like HTTP, HTTPS, FTP, SFTP, POP3 SCP, and more. As a developer, you have to understand how cURL works.
We have no reviews of ExtendsClass JSON Generator yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Postman dominated API development for over a decade because it made REST discovery, testing, and documentation accessible without deep command-line expertise. But 2026 has flipped that advantage. The rise of CLI-native, scriptable, and... - Source: dev.to / about 2 months ago
Curl is the most reliable way to inspect HTTP headers from the command line. It makes actual HTTP requests to your server or CDN and displays the raw response headers. - Source: dev.to / 6 months ago
Use open-source tools like Curl with proxy options for straightforward testing. - Source: dev.to / 8 months ago
Tracking ExtendsClass JSON Generator since Mar 2021.
When comparing cURL and ExtendsClass JSON Generator, you can also consider the following products.

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Create mock and sample JSON using a powerful template syntax
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The Collaboration Platform for API Development
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Generate realistic random JSON data through a simple and intuitive GUI.
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