Dadroit JSON Viewer
Jayson
ExtendsClass JSON Generator
MockTurtle.net
Fullstack Vue
Mockaroo
DevToys
Create mock and sample JSON using a powerful template syntax
calculator.net
Edmunds.com
nerdwallet
Calculator Suite
Carculator
Finance Calculator
Compare buying, leasing and financing with consistent total-cost assumptions, including depreciation, interest, fees and opportunity cost.

Which is more popular?
Based on our record, JSON Generator seems to be more popular. It has been mentioned 9 times since March 2021.
Website, pricing, platforms and company facts side by side.
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JSO
JSON Generator
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Carculated
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| Website | json-generator.com | carculated.com |
| Pricing | — | |
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What each product offers, as listed by its team.
Possible disadvantages
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.
Share your experience with using JSON Generator and Carculated. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.
JSON Generator: also generates mock data, but for JSON specifically. It's a bit more complex, but it allows for tailor-made results. - Source: dev.to / almost 3 years ago
Is there a generator for all the JSON generators out there? https://json-generator.com/. - Source: Hacker News / about 3 years ago
So I generated a random JSON file and tried parsing it. It doesn’t error, but whenever I do a println(root.Object().Value().String()), I get a panic: wrong type. If I do a println(root.Object().Present()), it prints false. So seems like... Source: over 3 years ago
Tracking Carculated since Sep 2026.
When comparing JSON Generator and Carculated, you can also consider the following products.

Open a 1GB JSON file in a blink 💣
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Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with related in-depth information.
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ExtendsClass's JSON generator allows to generate random JSON data from a template.
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