
calculator.net
AllToolsLab
Omni Calculator
BestToolsKit
Smartly Calculators
Muxtly
geteasetools.com
500+ free online calculators and tools for finance, health, math, conversions, and more.
JSON Placeholder
JSON Server
mocki Fake JSON API
httpbin(1)
MockRest
Nacapi
Format JSON Online
A hosted REST-API ready to respond to your AJAX requests.

Which is more popular?
Based on our record, ReqRes 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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RR
ReqRes
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|---|---|---|
| Website | alltools.dev | reqres.in |
| Pricing | — | |
| Company | Startup from Bulgaria · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

AllTools.dev is a modern, fast, free online toolkit built for people who need quick, accurate calculators and converters without signing up, creating an account, or wading through cluttered interfaces. The platform offers 500+ tools across finance (mortgage calculators, loan amortization,...
No description of ReqRes 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 ReqRes yet.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using AllTools.dev and ReqRes. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking AllTools.dev since May 2026.
Https://reqres.in/ - roughly that much in ads revenue. Would love to add a paid plan for more features, but....time. - Source: Hacker News / almost 2 years ago
Reqres.in - A Free hosted REST-API ready to respond to your AJAX requests. - Source: dev.to / almost 3 years ago
As stated earlier we are using the REQ | RES API in the example, you can check it out to see all the methods it provides. Now, go to the core/internet_services/ create a dart file and name it paths.dart, this will contain the baseurl and... - Source: dev.to / over 3 years ago
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Helping you make rational decisions, one calculation at a time.
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mocki Fake JSON API is an advanced platform that offers you to create API for personal use or testing purposes.
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